Tcs

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Overview of noun tc

      »   The noun tc has 2 meanings (no senses from tagged texts)

• technetium, Tc, Atomic1.) Atomic -- (of or relating to or comprising atoms; "atomic structure"; "atomic hydrogen")
  
  2.) Nuclear, atomic -- ((weapons) deriving destructive energy from the release of atomic energy; "nuclear war"; "nuclear weapons"; "atomic bombs")
  
  atomic number 43 -- (a Crystalline1.) Crystalline -- (consisting of or containing or of the nature of crystals; "granite is crystalline")
  
  2.) Crystalline -- (distinctly or sharply outlined; "crystalline sharpness of outline"- John Buchan)
  
  crystalline metallic Element1.) Component, constituent, element, factor, ingredient -- (an abstract part of something; "jealousy was a component of his character"; "two constituents of a musical composition are melody and harmony"; "the grammatical elements of a sentence"; "a key factor in her success"; "humor: an effective ingredient of a speech")
  
  2.) Chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
  
  element not Found1.) Found -- (food and lodging provided in addition to money; "they worked for $30 and found")
  
  1.) Establish, set up, found, launch -- (set up or found; "She set up a literacy program")
  
  found in Nature1.) Nature -- (the essential qualities or characteristics by which something is recognized; "it is the nature of fire to burn"; "the true nature of jealousy")
  
  2.) Nature -- (a causal agent creating and controlling things in the universe; "the laws of nature"; "nature has seen to it that men are stronger than women")
  
  nature; occurs as one of the Fission1.) Fission, nuclear fission -- (a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy)
  
  2.) Fission -- (reproduction of some unicellular organisms by division of the cell into two more or less equal parts)
  
  fission products of uranium)

• Trusteeship Council1.) Council -- (a body serving in an administrative capacity; "student council")
  
  2.) Council -- ((Christianity) an assembly or theologians and bishops and other representative of different churches or dioceses that is convened to regulate matters of discipline or doctrine)
  
  Council, TC -- (a Permanent1.) Permanent wave, permanent, perm -- (a series of waves in the hair made by applying heat and chemicals)
  
  1.) Permanent, lasting -- (continuing or enduring without marked change in status or condition or place; "permanent secretary to the president"; "permanent address"; "literature of permanent value")
  
  permanent council of the United1.) Unite, unify -- (act in concert or unite in a common purpose or belief)
  
  2.) Unify, unite, merge -- (become one; "Germany unified officially in 1990"; "Will the two Koreas unify?")
  
  United Nations that Commissions1.) Committee, commission -- (a special group delegated to consider some matter; "a committee is a group that keeps minutes and loses hours" - Milton Berle)
  
  2.) Commission -- (a fee for services rendered based on a percentage of an amount received or collected or agreed to be paid (as distinguished from a salary); "he works on commission")
  
  commissions a Country1.) Country, state, land -- (the territory occupied by a nation; "he returned to the land of his birth"; "he visited several European countries")
  
  2.) State, nation, country, land, commonwealth, res publica, body politic -- (a politically organized body of people under a single government; "the state has elected a new president"; "African nations"; "students who had come to the nation's capitol"; "the country's largest manufacturer"; "an industrialized land")
  
  country (or Countries1.) Country, state, land -- (the territory occupied by a nation; "he returned to the land of his birth"; "he visited several European countries")
  
  2.) State, nation, country, land, commonwealth, res publica, body politic -- (a politically organized body of people under a single government; "the state has elected a new president"; "African nations"; "students who had come to the nation's capitol"; "the country's largest manufacturer"; "an industrialized land")
  
  countries) to Undertake1.) Undertake, set about, attempt -- (enter upon an activity or enterprise)
  
  2.) Undertake, tackle, take on -- (accept as a challenge; "I'll tackle this difficult task")
  
  undertake the Administration1.) Administration, disposal -- (a method of tending to (especially business) matters)
  
  2.) Administration, governance, governing body, establishment, brass, organization, organisation -- (the persons (or committees or departments etc.) who make up a body for the purpose of administering something; "he claims that the present administration is corrupt"; "the governance of an association is responsible to its members"; "he quickly became recognized as a member of the establishment")
  
  administration of a territory)

Related Terms - "Tcs"

2 senses of tc Meaning 1 of Tcstechnetium, Tc, atomic number 43 metallic element, metal

• Heavy metal1.) Heavy metal -- (a metal of relatively high density (specific gravity greater than about 5) or of high relative atomic weight (especially one that is poisonous like mercury or lead))
  
  2.) Heavy metal -- (loud and harsh sounding rock music with a strong beat; lyrics usually involve violent or fantastic imagery)
  
  Heavy metal - A metal of relatively high density (specific gravity greater than about 5) or of high relative atomic weight (especially one that is poisonous like mercury or lead)

• Base metal1.) Base metal -- (a metal that is common and not considered precious; "lead, iron, copper, tin, and zinc are base metals")
  
  Base metal - A metal that is common and not considered precious; "lead, iron, copper, tin, and zinc are base metals"

• Noble metal1.) Noble metal -- (any metal that is resistant to corrosion or oxidation)
  
  Noble metal - Any metal that is resistant to corrosion or oxidation

• Aluminum1.) Aluminum, aluminium, Al, atomic number 13 -- (a silvery ductile metallic element found primarily in bauxite)
  
  Aluminum, Aluminium1.) Aluminum, aluminium, Al, atomic number 13 -- (a silvery ductile metallic element found primarily in bauxite)
  
  Aluminium, Al1.) Aluminum, aluminium, Al, atomic number 13 -- (a silvery ductile metallic element found primarily in bauxite)
  
  2.) Alabama, Heart of Dixie, Camellia State, AL -- (a state in the southeastern United States on the Gulf of Mexico; one of the Confederate states during the American Civil War)
  
  Al, Atomic number 131.) Aluminum, aluminium, Al, atomic number 13 -- (a silvery ductile metallic element found primarily in bauxite)
  
  Atomic number 13 - A silvery ductile metallic element found primarily in bauxite

• Americium1.) Americium, Am, atomic number 95 -- (a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms)
  
  Americium, Am1.) Americium, Am, atomic number 95 -- (a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms)
  
  2.) Master of Arts, MA, Artium Magister, AM -- (a master's degree in arts and sciences)
  
  Am, Atomic number 951.) Americium, Am, atomic number 95 -- (a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms)
  
  Atomic number 95 - A radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms

• Antimony1.) Antimony, Sb, atomic number 51 -- (a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite)
  
  Antimony, Sb1.) Antimony, Sb, atomic number 51 -- (a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite)
  
  2.) Bachelor of Science, BS, SB -- (a bachelor's degree in science)
  
  Sb, Atomic number 511.) Antimony, Sb, atomic number 51 -- (a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite)
  
  Atomic number 51 - A metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite

• Barium1.) Barium, Ba, atomic number 56 -- (a soft silvery metallic element of the alkali earth group; found in barite)
  
  Barium, Ba1.) Barium, Ba, atomic number 56 -- (a soft silvery metallic element of the alkali earth group; found in barite)
  
  2.) Bachelor of Arts, BA, Artium Baccalaurens, AB -- (a bachelor's degree in arts and sciences)
  
  Ba, Atomic number 561.) Barium, Ba, atomic number 56 -- (a soft silvery metallic element of the alkali earth group; found in barite)
  
  Atomic number 56 - A soft silvery metallic element of the alkali earth group; found in barite

• Berkelium1.) Berkelium, Bk, atomic number 97 -- (a radioactive transuranic element; discovered by bombarding americium with helium)
  
  Berkelium, Bk1.) Berkelium, Bk, atomic number 97 -- (a radioactive transuranic element; discovered by bombarding americium with helium)
  
  Bk, Atomic number 971.) Berkelium, Bk, atomic number 97 -- (a radioactive transuranic element; discovered by bombarding americium with helium)
  
  Atomic number 97 - A radioactive transuranic element; discovered by bombarding americium with helium

• Beryllium1.) Beryllium, Be, glucinium, atomic number 4 -- (a light strong brittle grey toxic bivalent metallic element)
  
  Beryllium, Be1.) Beryllium, Be, glucinium, atomic number 4 -- (a light strong brittle grey toxic bivalent metallic element)
  
  1.) Be -- (have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer")
  
  Be, Glucinium1.) Beryllium, Be, glucinium, atomic number 4 -- (a light strong brittle grey toxic bivalent metallic element)
  
  Glucinium, Atomic number 41.) Beryllium, Be, glucinium, atomic number 4 -- (a light strong brittle grey toxic bivalent metallic element)
  
  Atomic number 4 - A light strong brittle grey toxic bivalent metallic element

• Bismuth1.) Bismuth, Bi, atomic number 83 -- (a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals)
  
  Bismuth, Bi1.) Bismuth, Bi, atomic number 83 -- (a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals)
  
  Bi, Atomic number 831.) Bismuth, Bi, atomic number 83 -- (a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals)
  
  Atomic number 83 - A heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals

• Cadmium1.) Cadmium, Cd, atomic number 48 -- (a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores)
  
  Cadmium, Cd1.) Cadmium, Cd, atomic number 48 -- (a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores)
  
  2.) Candle, candela, cd, standard candle -- (the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin)
  
  Cd, Atomic number 481.) Cadmium, Cd, atomic number 48 -- (a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores)
  
  Atomic number 48 - A soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores

• Calcium1.) Calcium, Ca, atomic number 20 -- (a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals)
  
  Calcium, Ca1.) Calcium, Ca, atomic number 20 -- (a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals)
  
  2.) California, Golden State, CA, Calif. -- (a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes)
  
  Ca, Atomic number 201.) Calcium, Ca, atomic number 20 -- (a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals)
  
  Atomic number 20 - A white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals

• Californium1.) Californium, Cf, atomic number 98 -- (a radioactive transuranic element; discovered by bombarding curium with alpha particles)
  
  Californium, Cf1.) Californium, Cf, atomic number 98 -- (a radioactive transuranic element; discovered by bombarding curium with alpha particles)
  
  2.) Cystic fibrosis, CF, fibrocystic disease of the pancreas, pancreatic fibrosis, mucoviscidosis -- (the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; there is no cure)
  
  Cf, Atomic number 981.) Californium, Cf, atomic number 98 -- (a radioactive transuranic element; discovered by bombarding curium with alpha particles)
  
  Atomic number 98 - A radioactive transuranic element; discovered by bombarding curium with alpha particles

• Cerium1.) Cerium, Ce, atomic number 58 -- (a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group)
  
  Cerium, Ce1.) Cerium, Ce, atomic number 58 -- (a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group)
  
  1.) CE, C.E., Common Era -- (of the period coinciding with the Christian era; preferred by some writers who are not Christians; "in 200 CE")
  
  Ce, Atomic number 581.) Cerium, Ce, atomic number 58 -- (a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group)
  
  Atomic number 58 - A ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group

• Cesium1.) Cesium, caesium, Cs, atomic number 55 -- (a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal)
  
  Cesium, Caesium1.) Cesium, caesium, Cs, atomic number 55 -- (a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal)
  
  Caesium, Cs1.) Cesium, caesium, Cs, atomic number 55 -- (a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal)
  
  Cs, Atomic number 551.) Cesium, caesium, Cs, atomic number 55 -- (a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal)
  
  Atomic number 55 - A soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal

• Chromium1.) Chromium, Cr, atomic number 24 -- (a hard brittle multivalent metallic element; resistant to corrosion and tarnishing)
  
  Chromium, Cr1.) Chromium, Cr, atomic number 24 -- (a hard brittle multivalent metallic element; resistant to corrosion and tarnishing)
  
  Cr, Atomic number 241.) Chromium, Cr, atomic number 24 -- (a hard brittle multivalent metallic element; resistant to corrosion and tarnishing)
  
  Atomic number 24 - A hard brittle multivalent metallic element; resistant to corrosion and tarnishing

• Cobalt1.) Cobalt, Co, atomic number 27 -- (a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition)
  
  Cobalt, Co1.) Carbon monoxide, carbon monoxide gas, CO -- (an odorless very poisonous gas that is a product of incomplete combustion of carbon)
  
  2.) Cobalt, Co, atomic number 27 -- (a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition)
  
  Co, Atomic number 271.) Cobalt, Co, atomic number 27 -- (a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition)
  
  Atomic number 27 - A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition

• Copper1.) Copper, Cu, atomic number 29 -- (a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor)
  
  2.) Copper -- (a copper penny)
  
  Copper, Cu1.) Copper, Cu, atomic number 29 -- (a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor)
  
  Cu, Atomic number 291.) Copper, Cu, atomic number 29 -- (a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor)
  
  Atomic number 29 - A ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor

• Curium1.) Curium, Cm, atomic number 96 -- (a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei)
  
  Curium, Cm1.) Centimeter, centimetre, cm -- (a metric unit of length equal to one hundredth of a meter)
  
  2.) Curium, Cm, atomic number 96 -- (a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei)
  
  Cm, Atomic number 961.) Curium, Cm, atomic number 96 -- (a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei)
  
  Atomic number 96 - A radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei

• Dysprosium1.) Dysprosium, Dy, atomic number 66 -- (a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic)
  
  Dysprosium, Dy1.) Dysprosium, Dy, atomic number 66 -- (a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic)
  
  Dy, Atomic number 661.) Dysprosium, Dy, atomic number 66 -- (a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic)
  
  Atomic number 66 - A trivalent metallic element of the rare earth group; forms compounds that are highly magnetic

• Einsteinium1.) Einsteinium, Es, E, atomic number 99 -- (a radioactive transuranic element produced by bombarding plutonium with neutrons)
  
  Einsteinium, Es1.) Einsteinium, Es, E, atomic number 99 -- (a radioactive transuranic element produced by bombarding plutonium with neutrons)
  
  Es, E1.) Vitamin E, tocopherol, E -- (a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body)
  
  2.) Einsteinium, Es, E, atomic number 99 -- (a radioactive transuranic element produced by bombarding plutonium with neutrons)
  
  E, Atomic number 991.) Einsteinium, Es, E, atomic number 99 -- (a radioactive transuranic element produced by bombarding plutonium with neutrons)
  
  Atomic number 99 - A radioactive transuranic element produced by bombarding plutonium with neutrons

• Erbium1.) Erbium, Er, atomic number 68 -- (a trivalent metallic element of the rare earth group; occurs with yttrium)
  
  Erbium, Er1.) Erbium, Er, atomic number 68 -- (a trivalent metallic element of the rare earth group; occurs with yttrium)
  
  2.) Emergency room, ER -- (a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment)
  
  Er, Atomic number 681.) Erbium, Er, atomic number 68 -- (a trivalent metallic element of the rare earth group; occurs with yttrium)
  
  Atomic number 68 - A trivalent metallic element of the rare earth group; occurs with yttrium

• Europium1.) Europium, Eu, atomic number 63 -- (a bivalent and trivalent metallic element of the rare earth group)
  
  Europium, Eu1.) Europium, Eu, atomic number 63 -- (a bivalent and trivalent metallic element of the rare earth group)
  
  2.) European Union, EU, European Community, EC, European Economic Community, EEC, Common Market, Europe -- (an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members; "he took Britain into Europe")
  
  Eu, Atomic number 631.) Europium, Eu, atomic number 63 -- (a bivalent and trivalent metallic element of the rare earth group)
  
  Atomic number 63 - A bivalent and trivalent metallic element of the rare earth group

• Fermium1.) Fermium, Fm, atomic number 100 -- (a radioactive transuranic metallic element produced by bombarding plutonium with neutrons)
  
  Fermium, Fm1.) Frequency modulation, FM -- (modulation of the frequency of the (radio) carrier wave)
  
  2.) Fermium, Fm, atomic number 100 -- (a radioactive transuranic metallic element produced by bombarding plutonium with neutrons)
  
  Fm, Atomic number 1001.) Fermium, Fm, atomic number 100 -- (a radioactive transuranic metallic element produced by bombarding plutonium with neutrons)
  
  Atomic number 100 - A radioactive transuranic metallic element produced by bombarding plutonium with neutrons

• Francium1.) Francium, Fr, atomic number 87 -- (a radioactive element of the alkali-metal group discovered as a disintegration product of actinium)
  
  Francium, Fr1.) Francium, Fr, atomic number 87 -- (a radioactive element of the alkali-metal group discovered as a disintegration product of actinium)
  
  Fr, Atomic number 871.) Francium, Fr, atomic number 87 -- (a radioactive element of the alkali-metal group discovered as a disintegration product of actinium)
  
  Atomic number 87 - A radioactive element of the alkali-metal group discovered as a disintegration product of actinium

• Gadolinium1.) Gadolinium, Gd, atomic number 64 -- (a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group)
  
  Gadolinium, Gd1.) Soman, GD -- (a nerve agent easily absorbed into the body; a lethal cholinesterase inhibitor that is highly toxic when inhaled)
  
  2.) Gadolinium, Gd, atomic number 64 -- (a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group)
  
  Gd, Atomic number 641.) Gadolinium, Gd, atomic number 64 -- (a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group)
  
  Atomic number 64 - A ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group

• Gallium1.) Gallium, Ga, atomic number 31 -- (a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores)
  
  Gallium, Ga1.) Tabun, GA -- (the first known nerve agent, synthesized by German chemists in 1936; a highly toxic combustible liquid that is soluble in organic solvents and is used as a nerve gas in chemical warfare)
  
  2.) Gallium, Ga, atomic number 31 -- (a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores)
  
  Ga, Atomic number 311.) Gallium, Ga, atomic number 31 -- (a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores)
  
  Atomic number 31 - A rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores

• Hafnium1.) Hafnium, Hf, atomic number 72 -- (a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons)
  
  Hafnium, Hf1.) Hafnium, Hf, atomic number 72 -- (a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons)
  
  2.) High frequency, HF -- (3 to 30 megahertz)
  
  Hf, Atomic number 721.) Hafnium, Hf, atomic number 72 -- (a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons)
  
  Atomic number 72 - A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

• Holmium1.) Holmium, Ho, atomic number 67 -- (a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds)
  
  Holmium, Ho1.) Holmium, Ho, atomic number 67 -- (a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds)
  
  Ho, Atomic number 671.) Holmium, Ho, atomic number 67 -- (a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds)
  
  Atomic number 67 - A trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds

• Indium1.) Indium, In, atomic number 49 -- (a rare soft silvery metallic element; occurs in small quantities in sphalerite)
  
  Indium, In1.) Inch, in -- (a unit of length equal to one twelfth of a foot)
  
  2.) Indium, In, atomic number 49 -- (a rare soft silvery metallic element; occurs in small quantities in sphalerite)
  
  In, Atomic number 491.) Indium, In, atomic number 49 -- (a rare soft silvery metallic element; occurs in small quantities in sphalerite)
  
  Atomic number 49 - A rare soft silvery metallic element; occurs in small quantities in sphalerite

• Iridium1.) Iridium, Ir, atomic number 77 -- (a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium)
  
  Iridium, Ir1.) Iridium, Ir, atomic number 77 -- (a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium)
  
  2.) Inland Revenue, IR -- (a board of the British government that administers and collects major direct taxes)
  
  Ir, Atomic number 771.) Iridium, Ir, atomic number 77 -- (a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium)
  
  Atomic number 77 - A heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

• Iron1.) Iron, Fe, atomic number 26 -- (a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood)
  
  2.) Iron -- (a golf club that has a relatively narrow metal head)
  
  Iron, Fe1.) Iron, Fe, atomic number 26 -- (a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood)
  
  Fe, Atomic number 261.) Iron, Fe, atomic number 26 -- (a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood)
  
  Atomic number 26 - A heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood

• Lanthanum1.) Lanthanum, La, atomic number 57 -- (a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth)
  
  Lanthanum, La1.) Lanthanum, La, atomic number 57 -- (a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth)
  
  2.) Louisiana, Pelican State, LA -- (a state in southern United States on the Gulf of Mexico; one of the Confederate states during the American Civil War)
  
  La, Atomic number 571.) Lanthanum, La, atomic number 57 -- (a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth)
  
  Atomic number 57 - A white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth

• Lead1.) Lead, Pb, atomic number 82 -- (a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey; "the children were playing with lead soldiers")
  
  2.) Lead -- (an advantage held by a competitor in a race; "he took the lead at the last turn")
  
  Lead, Pb1.) Lead, Pb, atomic number 82 -- (a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey; "the children were playing with lead soldiers")
  
  Pb, Atomic number 821.) Lead, Pb, atomic number 82 -- (a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey; "the children were playing with lead soldiers")
  
  Atomic number 82 - A soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey; "the children were playing with lead soldiers"

• Lithium1.) Lithium, Li, atomic number 3 -- (a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals)
  
  Lithium, Li1.) Lithium, Li, atomic number 3 -- (a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals)
  
  2.) Li -- (Chinese distance measure; approximately 0.5 kilometers)
  
  Li, Atomic number 31.) Lithium, Li, atomic number 3 -- (a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals)
  
  Atomic number 3 - A soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals

• Lutetium1.) Lutetium, lutecium, Lu, atomic number 71 -- (a trivalent metallic element of the rare earth group; usually occurs in association with yttrium)
  
  Lutetium, Lutecium1.) Lutetium, lutecium, Lu, atomic number 71 -- (a trivalent metallic element of the rare earth group; usually occurs in association with yttrium)
  
  Lutecium, Lu1.) Lutetium, lutecium, Lu, atomic number 71 -- (a trivalent metallic element of the rare earth group; usually occurs in association with yttrium)
  
  Lu, Atomic number 711.) Lutetium, lutecium, Lu, atomic number 71 -- (a trivalent metallic element of the rare earth group; usually occurs in association with yttrium)
  
  Atomic number 71 - A trivalent metallic element of the rare earth group; usually occurs in association with yttrium

• Magnesium1.) Magnesium, Mg, atomic number 12 -- (a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine))
  
  Magnesium, Mg1.) Milligram, mg -- (one thousandth (1/1,000) gram)
  
  2.) Magnesium, Mg, atomic number 12 -- (a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine))
  
  Mg, Atomic number 121.) Magnesium, Mg, atomic number 12 -- (a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine))
  
  Atomic number 12 - A light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)

• Manganese1.) Manganese, Mn, atomic number 25 -- (a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals)
  
  Manganese, Mn1.) Manganese, Mn, atomic number 25 -- (a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals)
  
  2.) Minnesota, Gopher State, North Star State, MN -- (a midwestern state)
  
  Mn, Atomic number 251.) Manganese, Mn, atomic number 25 -- (a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals)
  
  Atomic number 25 - A hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals

• Mercury1.) Mercury, quicksilver, hydrargyrum, Hg, atomic number 80 -- (a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures)
  
  2.) Mercury -- ((Roman mythology) messenger of Jupiter and god of commerce; counterpart of Greek Hermes)
  
  Mercury, Quicksilver1.) Mercury, quicksilver, hydrargyrum, Hg, atomic number 80 -- (a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures)
  
  1.) Erratic, fickle, mercurial, quicksilver -- (liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next")
  
  Quicksilver, Hydrargyrum1.) Mercury, quicksilver, hydrargyrum, Hg, atomic number 80 -- (a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures)
  
  Hydrargyrum, Hg1.) Mercury, quicksilver, hydrargyrum, Hg, atomic number 80 -- (a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures)
  
  2.) Hectogram, hg -- (100 grams)
  
  Hg, Atomic number 801.) Mercury, quicksilver, hydrargyrum, Hg, atomic number 80 -- (a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures)
  
  Atomic number 80 - A heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures

• Molybdenum1.) Molybdenum, Mo, atomic number 42 -- (a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel)
  
  Molybdenum, Mo1.) Molybdenum, Mo, atomic number 42 -- (a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel)
  
  2.) Missouri, Show Me State, MO -- (a midwestern state in central United States; a border state during the American Civil War, Missouri was admitted to the Confederacy without actually seceding from the Union)
  
  Mo, Atomic number 421.) Molybdenum, Mo, atomic number 42 -- (a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel)
  
  Atomic number 42 - A polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

• Neodymium1.) Neodymium, Nd, atomic number 60 -- (a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium)
  
  Neodymium, Nd1.) Neodymium, Nd, atomic number 60 -- (a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium)
  
  2.) North Dakota, Peace Garden State, ND -- (a state of north central United States bordering on Canada)
  
  Nd, Atomic number 601.) Neodymium, Nd, atomic number 60 -- (a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium)
  
  Atomic number 60 - A yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium

• Neptunium1.) Neptunium, Np, atomic number 93 -- (a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium)
  
  Neptunium, Np1.) Neptunium, Np, atomic number 93 -- (a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium)
  
  2.) Nurse practitioner, NP, nurse clinician -- (a registered nurse who has received special training and can perform many of the duties of a physician)
  
  Np, Atomic number 931.) Neptunium, Np, atomic number 93 -- (a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium)
  
  Atomic number 93 - A radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium

• Nickel1.) Nickel, Ni, atomic number 28 -- (a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite)
  
  2.) Nickel -- (a United States coin worth one twentieth of a dollar)
  
  Nickel, Ni1.) Nickel, Ni, atomic number 28 -- (a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite)
  
  Ni, Atomic number 281.) Nickel, Ni, atomic number 28 -- (a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite)
  
  Atomic number 28 - A hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite

• Niobium1.) Niobium, Nb, atomic number 41 -- (a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium)
  
  Niobium, Nb1.) Niobium, Nb, atomic number 41 -- (a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium)
  
  2.) Nota bene, NB, N.B. -- (a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something; "the margins of his book were generously supplied with pencilled NBs")
  
  Nb, Atomic number 411.) Niobium, Nb, atomic number 41 -- (a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium)
  
  Atomic number 41 - A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium

• Osmium1.) Osmium, Os, atomic number 76 -- (a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known)
  
  Osmium, Os1.) Os -- (a mouth or mouthlike opening)
  
  2.) Osmium, Os, atomic number 76 -- (a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known)
  
  Os, Atomic number 761.) Osmium, Os, atomic number 76 -- (a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known)
  
  Atomic number 76 - A hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known

• Palladium1.) Palladium, Pd, atomic number 46 -- (a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry)
  
  Palladium, Pd1.) Palladium, Pd, atomic number 46 -- (a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry)
  
  Pd, Atomic number 461.) Palladium, Pd, atomic number 46 -- (a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry)
  
  Atomic number 46 - A silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry

• Polonium1.) Polonium, Po, atomic number 84 -- (a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor)
  
  Polonium, Po1.) Polonium, Po, atomic number 84 -- (a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor)
  
  2.) Petty officer, PO, P.O. -- (a noncommissioned officer in the navy with a rank comparable to sergeant in the army)
  
  Po, Atomic number 841.) Polonium, Po, atomic number 84 -- (a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor)
  
  Atomic number 84 - A radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor

• Potassium1.) Potassium, K, atomic number 19 -- (a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite)
  
  Potassium, K1.) Kelvin, K -- (the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites)
  
  2.) Potassium, K, atomic number 19 -- (a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite)
  
  K, Atomic number 191.) Potassium, K, atomic number 19 -- (a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite)
  
  Atomic number 19 - A light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite

• Praseodymium1.) Praseodymium, Pr, atomic number 59 -- (a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process)
  
  Praseodymium, Pr1.) Praseodymium, Pr, atomic number 59 -- (a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process)
  
  2.) Puerto Rico, Porto Rico, Commonwealth of Puerto Rico, PR -- (a self-governing commonwealth associated with the United States occupying the island of Puerto Rico)
  
  Pr, Atomic number 591.) Praseodymium, Pr, atomic number 59 -- (a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process)
  
  Atomic number 59 - A soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process

• Promethium1.) Promethium, Pm, atomic number 61 -- (a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium)
  
  Promethium, Pm1.) Autopsy, necropsy, postmortem, post-mortem, PM, postmortem examination, post-mortem examination -- (an examination and dissection of a dead body to determine cause of death or the changes produced by disease)
  
  2.) Promethium, Pm, atomic number 61 -- (a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium)
  
  Pm, Atomic number 611.) Promethium, Pm, atomic number 61 -- (a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium)
  
  Atomic number 61 - A soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium

• Protactinium1.) Protactinium, protoactinium, Pa, atomic number 91 -- (a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead)
  
  Protactinium, Protoactinium1.) Protactinium, protoactinium, Pa, atomic number 91 -- (a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead)
  
  Protoactinium, Pa1.) Dad, dada, daddy, pa, papa, pappa, pop -- (an informal term for a father; probably derived from baby talk)
  
  2.) Protactinium, protoactinium, Pa, atomic number 91 -- (a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead)
  
  Pa, Atomic number 911.) Protactinium, protoactinium, Pa, atomic number 91 -- (a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead)
  
  Atomic number 91 - A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

• Radium1.) Radium, Ra, atomic number 88 -- (an intensely radioactive metallic element that occurs in minute amounts in uranium ores)
  
  Radium, Ra1.) Radium, Ra, atomic number 88 -- (an intensely radioactive metallic element that occurs in minute amounts in uranium ores)
  
  2.) Ra, Re -- (ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods)
  
  Ra, Atomic number 881.) Radium, Ra, atomic number 88 -- (an intensely radioactive metallic element that occurs in minute amounts in uranium ores)
  
  Atomic number 88 - An intensely radioactive metallic element that occurs in minute amounts in uranium ores

• Rhenium1.) Rhenium, Re, atomic number 75 -- (a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum)
  
  Rhenium, Re1.) Rhenium, Re, atomic number 75 -- (a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum)
  
  2.) Ra, Re -- (ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods)
  
  Re, Atomic number 751.) Rhenium, Re, atomic number 75 -- (a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum)
  
  Atomic number 75 - A rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum

• Rhodium1.) Rhodium, Rh, atomic number 45 -- (a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum)
  
  Rhodium, Rh1.) Rhesus factor, Rh factor, Rh -- (a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia)
  
  2.) Rhodium, Rh, atomic number 45 -- (a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum)
  
  Rh, Atomic number 451.) Rhodium, Rh, atomic number 45 -- (a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum)
  
  Atomic number 45 - A white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum

• Rubidium1.) Rubidium, Rb, atomic number 37 -- (a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite)
  
  Rubidium, Rb1.) Rubidium, Rb, atomic number 37 -- (a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite)
  
  Rb, Atomic number 371.) Rubidium, Rb, atomic number 37 -- (a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite)
  
  Atomic number 37 - A soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite

• Ruthenium1.) Ruthenium, Ru, atomic number 44 -- (a rare polyvalent metallic element of the platinum group; it is found associated with platinum)
  
  Ruthenium, Ru1.) Ruthenium, Ru, atomic number 44 -- (a rare polyvalent metallic element of the platinum group; it is found associated with platinum)
  
  Ru, Atomic number 441.) Ruthenium, Ru, atomic number 44 -- (a rare polyvalent metallic element of the platinum group; it is found associated with platinum)
  
  Atomic number 44 - A rare polyvalent metallic element of the platinum group; it is found associated with platinum

• Samarium1.) Samarium, Sm, atomic number 62 -- (a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite)
  
  Samarium, Sm1.) Samarium, Sm, atomic number 62 -- (a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite)
  
  2.) Master of Science, MS, SM, MSc -- (a master's degree in science)
  
  Sm, Atomic number 621.) Samarium, Sm, atomic number 62 -- (a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite)
  
  Atomic number 62 - A grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite

• Scandium1.) Scandium, Sc, atomic number 21 -- (a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite)
  
  Scandium, Sc1.) Scandium, Sc, atomic number 21 -- (a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite)
  
  2.) South Carolina, Palmetto State, SC -- (a state in the Deep South; one of the original 13 colonies)
  
  Sc, Atomic number 211.) Scandium, Sc, atomic number 21 -- (a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite)
  
  Atomic number 21 - A white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite

• Sodium1.) Sodium, Na, atomic number 11 -- (a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt))
  
  Sodium, Na1.) Sodium, Na, atomic number 11 -- (a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt))
  
  Na, Atomic number 111.) Sodium, Na, atomic number 11 -- (a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt))
  
  Atomic number 11 - A silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)

• Strontium1.) Strontium, Sr, atomic number 38 -- (a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite)
  
  Strontium, Sr1.) Strontium, Sr, atomic number 38 -- (a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite)
  
  2.) Steradian, sr -- (the unit of solid angle adopted under the Systeme International d'Unites)
  
  Sr, Atomic number 381.) Strontium, Sr, atomic number 38 -- (a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite)
  
  Atomic number 38 - A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite

• Tantalum1.) Tantalum, Ta, atomic number 73 -- (a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite)
  
  Tantalum, Ta1.) Tantalum, Ta, atomic number 73 -- (a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite)
  
  Ta, Atomic number 731.) Tantalum, Ta, atomic number 73 -- (a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite)
  
  Atomic number 73 - A hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite

• Technetium1.) Technetium, Tc, atomic number 43 -- (a crystalline metallic element not found in nature; occurs as one of the fission products of uranium)
  
  Technetium, Tc1.) Technetium, Tc, atomic number 43 -- (a crystalline metallic element not found in nature; occurs as one of the fission products of uranium)
  
  2.) Trusteeship Council1.) Trusteeship Council, TC -- (a permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory)
  
  Trusteeship Council, TC1.) Technetium, Tc, atomic number 43 -- (a crystalline metallic element not found in nature; occurs as one of the fission products of uranium)
  
  2.) Trusteeship Council, TC -- (a permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory)
  
  TC - A permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory -- (a permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory)
  
  Tc, Atomic number 431.) Technetium, Tc, atomic number 43 -- (a crystalline metallic element not found in nature; occurs as one of the fission products of uranium)
  
  Atomic number 43 - A crystalline metallic element not found in nature; occurs as one of the fission products of uranium

• Terbium1.) Terbium, Tb, atomic number 65 -- (a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite)
  
  Terbium, Tb1.) Terbium, Tb, atomic number 65 -- (a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite)
  
  2.) Tuberculosis, TB, T.B. -- (infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages))
  
  Tb, Atomic number 651.) Terbium, Tb, atomic number 65 -- (a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite)
  
  Atomic number 65 - A metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite

• Thallium1.) Thallium, Tl, atomic number 81 -- (a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores)
  
  Thallium, Tl1.) Thallium, Tl, atomic number 81 -- (a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores)
  
  Tl, Atomic number 811.) Thallium, Tl, atomic number 81 -- (a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores)
  
  Atomic number 81 - A soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores

• Thorium1.) Thorium, Th, atomic number 90 -- (a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands)
  
  Thorium, Th1.) Thursday, Th -- (the fifth day of the week; the fourth working day)
  
  2.) Thorium, Th, atomic number 90 -- (a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands)
  
  Th, Atomic number 901.) Thorium, Th, atomic number 90 -- (a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands)
  
  Atomic number 90 - A soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands

• Thulium1.) Thulium, Tm, atomic number 69 -- (a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime)
  
  Thulium, Tm1.) Thulium, Tm, atomic number 69 -- (a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime)
  
  Tm, Atomic number 691.) Thulium, Tm, atomic number 69 -- (a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime)
  
  Atomic number 69 - A soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime

• Tin1.) Tin, Sn, atomic number 50 -- (a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide)
  
  2.) Canister, cannister, tin -- (metal container for storing dry foods such as tea or flour)
  
  Tin, Sn1.) Tin, Sn, atomic number 50 -- (a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide)
  
  Sn, Atomic number 501.) Tin, Sn, atomic number 50 -- (a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide)
  
  Atomic number 50 - A silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide

• Titanium1.) Titanium, Ti, atomic number 22 -- (a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite)
  
  Titanium, Ti1.) Titanium, Ti, atomic number 22 -- (a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite)
  
  2.) Ti, Cordyline terminalis -- (shrub with terminal tufts of elongated leaves used locally for thatching and clothing; thick sweet roots are used as food; tropical southeastern Asia, Australia and Hawaii)
  
  Ti, Atomic number 221.) Titanium, Ti, atomic number 22 -- (a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite)
  
  Atomic number 22 - A light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite

• Tungsten1.) Tungsten, wolfram, W, atomic number 74 -- (a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite)
  
  Tungsten, Wolfram1.) Tungsten, wolfram, W, atomic number 74 -- (a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite)
  
  Wolfram, W1.) Tungsten, wolfram, W, atomic number 74 -- (a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite)
  
  2.) West, due west, westward, W -- (the cardinal compass point that is a 270 degrees)
  
  W, Atomic number 741.) Tungsten, wolfram, W, atomic number 74 -- (a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite)
  
  Atomic number 74 - A heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite

• Uranium1.) Uranium, U, atomic number 92 -- (a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons)
  
  Uranium, U1.) Uracil, U -- (a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine)
  
  2.) Uranium, U, atomic number 92 -- (a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons)
  
  U, Atomic number 921.) Uranium, U, atomic number 92 -- (a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons)
  
  Atomic number 92 - A heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons

• Vanadium1.) Vanadium, V, atomic number 23 -- (a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite)
  
  Vanadium, V1.) Volt, V -- (a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it)
  
  2.) Vanadium, V, atomic number 23 -- (a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite)
  
  V, Atomic number 231.) Vanadium, V, atomic number 23 -- (a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite)
  
  Atomic number 23 - A soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite

• Ytterbium1.) Ytterbium, Yb, atomic number 70 -- (a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime)
  
  Ytterbium, Yb1.) Ytterbium, Yb, atomic number 70 -- (a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime)
  
  Yb, Atomic number 701.) Ytterbium, Yb, atomic number 70 -- (a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime)
  
  Atomic number 70 - A soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime

• Yttrium1.) Yttrium, Y, atomic number 39 -- (a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys)
  
  Yttrium, Y1.) Yttrium, Y, atomic number 39 -- (a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys)
  
  2.) Y, letter y, wye -- (the 25th letter of the Roman alphabet)
  
  Y, Atomic number 391.) Yttrium, Y, atomic number 39 -- (a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys)
  
  Atomic number 39 - A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys

• Zinc1.) Zinc, Zn, atomic number 30 -- (a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs as zinc sulphide in zinc blende)
  
  1.) Zinc -- (coat or cover with zinc)
  
  Zinc, Zn1.) Zinc, Zn, atomic number 30 -- (a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs as zinc sulphide in zinc blende)
  
  Zn, Atomic number 301.) Zinc, Zn, atomic number 30 -- (a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs as zinc sulphide in zinc blende)
  
  Atomic number 30 - A bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs as zinc sulphide in zinc blende

• Zirconium1.) Zirconium, Zr, atomic number 40 -- (a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon)
  
  Zirconium, Zr1.) Zirconium, Zr, atomic number 40 -- (a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon)
  
  Zr, Atomic number 401.) Zirconium, Zr, atomic number 40 -- (a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon)
  
  Atomic number 40 - A lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon

• Alkali metal1.) Alkali metal, alkaline metal -- (any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium); "the hydroxides of the alkali metals are strongly alkaline")
  
  Alkali metal, Alkaline metal1.) Alkali metal, alkaline metal -- (any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium); "the hydroxides of the alkali metals are strongly alkaline")
  
  Alkaline metal - Any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium); "the hydroxides of the alkali metals are strongly alkaline"

• Alkaline earth1.) Alkaline earth, alkaline-earth metal -- (any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium))
  
  Alkaline earth, Alkaline-earth metal1.) Alkaline earth, alkaline-earth metal -- (any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium))
  
  Alkaline-earth metal - Any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)

Meaning 2 of TcsTrusteeship Council, TC council

• Sanhedrin1.) Sanhedrin -- (the supreme judicial and ecclesiastical council of ancient Jerusalem)
  
  Sanhedrin - The supreme judicial and ecclesiastical council of ancient Jerusalem

• Security Council1.) Security Council, SC -- (a permanent council of the United Nations; responsible for preserving world peace)
  
  Security Council, SC1.) Scandium, Sc, atomic number 21 -- (a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite)
  
  2.) South Carolina, Palmetto State, SC -- (a state in the Deep South; one of the original 13 colonies)
  
  SC - A permanent council of the United Nations; responsible for preserving world peace

• Trusteeship Council, TC - no definition found

• Economic and Social Council1.) Economic and Social Council, ECOSOC -- (a permanent council of the United Nations; responsible for economic and social conditions)
  
  Economic and Social Council, ECOSOC1.) Economic and Social Council, ECOSOC -- (a permanent council of the United Nations; responsible for economic and social conditions)
  
  ECOSOC - A permanent council of the United Nations; responsible for economic and social conditions

• North Atlantic Council1.) North Atlantic Council, NAC -- (a council consisting of permanent representatives of all the member countries of NATO; has political authority and powers of decision)
  
  North Atlantic Council, NAC1.) North Atlantic Council, NAC -- (a council consisting of permanent representatives of all the member countries of NATO; has political authority and powers of decision)
  
  NAC - A council consisting of permanent representatives of all the member countries of NATO; has political authority and powers of decision

• City council1.) City council -- (a municipal body that can pass ordnances and appropriate funds etc.)
  
  City council - A municipal body that can pass ordnances and appropriate funds etc.

• Executive council1.) Executive council -- (a council that shares the supreme executive power)
  
  Executive council - A council that shares the supreme executive power

• Panchayat1.) Panchayat, panchayet, punchayet -- (a village council in India or southern Pakistan)
  
  Panchayat, Panchayet1.) Panchayat, panchayet, punchayet -- (a village council in India or southern Pakistan)
  
  Panchayet, Punchayet1.) Panchayat, panchayet, punchayet -- (a village council in India or southern Pakistan)
  
  Punchayet - A village council in India or southern Pakistan

• Privy council1.) Privy council -- (an advisory council to a ruler (especially to the British crown))
  
  Privy council - An advisory council to a ruler (especially to the British crown)

• Works council1.) Works council -- ((chiefly Brit) a council representing employer and employees of a plant or business to discuss working conditions etc; also: a committee representing the workers elected to negotiate with management about grievances and wages etc)
  
  Works council - (chiefly Brit) a council representing employer and employees of a plant or business to discuss working conditions etc; also: a committee representing the workers elected to negotiate with management about grievances and wages etc

• Soviet1.) Soviet -- (an elected governmental council in a Communist country (especially one that is a member of the Union of Soviet Socialist Republics))
  
  1.) Soviet -- (of or relating to or characteristic of the former Soviet Union or its people; "Soviet leaders")
  
  Soviet - An elected governmental council in a Communist country (especially one that is a member of the Union of Soviet Socialist Republics)

• World council1.) World council -- (a council with representatives from different nations)
  
  World council - A council with representatives from different nations