English > metallic element: 1 sense > noun 1, substance| Meaning | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.. |
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| Synonym | metal |
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| Narrower | 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) |
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| 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) |
| aluminum, aluminium, Al, atomic number 13 | A silvery ductile metallic element found primarily in bauxite |
| americium, Am, atomic number 95 | A radioactive transuranic metallic element |
| antimony, Sb, atomic number 51 | A metallic element having four allotropic forms |
| barium, Ba, atomic number 56 | A soft silvery metallic element of the alkali earth group |
| base metal | A metal that is common and not considered precious |
| berkelium, Bk, atomic number 97 | A radioactive transuranic element |
| beryllium, Be, glucinium, atomic number 4 | A light strong brittle / brittle grey toxic bivalent metallic element |
| bismuth, Bi, atomic number 83 | A heavy brittle / brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically) |
| cadmium, Cd, atomic number 48 | A soft bluish-white ductile malleable toxic bivalent metallic element |
| calcium, Ca, atomic number 20 | A white metallic element that burns with a brilliant light |
| californium, Cf, atomic number 98 | A radioactive transuranic element |
| cerium, Ce, atomic number 58 | A ductile grey metallic element of the lanthanide series |
| cesium, caesium, Cs, atomic number 55 | A soft silver-white ductile metallic element (liquid / liquid at normal temperatures) |
| chromium, Cr, atomic number 24 | A hard brittle / brittle multivalent metallic element |
| cobalt, Co, atomic number 27 | A hard ferromagnetic silver-white bivalent or trivalent metallic element |
| copper, Cu, atomic number 29 | A ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element |
| curium, Cm, atomic number 96 | A radioactive transuranic metallic element |
| dysprosium, Dy, atomic number 66 | A trivalent metallic element of the rare earth group |
| einsteinium, Es, E, atomic number 99 | A radioactive transuranic element produced by bombarding plutonium with neutrons |
| erbium, Er, atomic number 68 | A trivalent metallic element of the rare earth group |
| europium, Eu, atomic number 63 | A bivalent and trivalent metallic element of the rare earth group |
| fermium, Fm, atomic number 100 | A radioactive transuranic metallic element produced by bombarding plutonium with neutrons |
| francium, Fr, atomic number 87 | A radioactive element of the alkali-metal group discovered as a disintegration product of actinium |
| gadolinium, Gd, atomic number 64 | A ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group |
| gallium, Ga, atomic number 31 | A rare silvery (usually trivalent) metallic element |
| hafnium, Hf, atomic number 72 | A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals |
| heavy metal | A metal of relatively high density / density (specific gravity greater than about 5) or of high relative atomic weight (especially one that is poisonous like mercury or lead) |
| holmium, Ho, atomic number 67 | A trivalent metallic element of the rare earth group |
| indium, In, atomic number 49 | A rare soft silvery metallic element |
| iridium, Ir, atomic number 77 | A heavy brittle / brittle metallic element of the platinum group |
| iron, Fe, atomic number 26 | A heavy ductile magnetic metallic element |
| lanthanum, La, atomic number 57 | A white soft metallic element that tarnishes readily |
| lead, Pb, atomic number 82 | A soft heavy toxic malleable metallic element |
| lithium, Li, atomic number 3 | A soft silver-white univalent element of the alkali metal group |
| lutetium, lutecium, Lu, atomic number 71 | A trivalent metallic element of the rare earth group |
| magnesium, Mg, atomic number 12 | A light silver-white ductile bivalent metallic element |
| manganese, Mn, atomic number 25 | A hard brittle / brittle grey polyvalent metallic element that resembles iron but is not magnetic |
| mercury, quicksilver, hydrargyrum, Hg, atomic number 80 | A heavy silvery toxic univalent and bivalent metallic element |
| molybdenum, Mo, atomic number 42 | A polyvalent metallic element that resembles chromium and tungsten in its properties |
| neodymium, Nd, atomic number 60 | A yellow trivalent metallic element of the rare earth group |
| neptunium, Np, atomic number 93 | A radioactive transuranic metallic element |
| nickel, Ni, atomic number 28 | A hard malleable ductile silvery metallic element that is resistant to corrosion |
| niobium, Nb, atomic number 41 | A soft grey ductile metallic element used in alloys |
| noble metal | Any metal that is resistant to corrosion or oxidation |
| osmium, Os, atomic number 76 | A hard brittle / brittle blue-grey or blue-black metallic element that is one of the platinum metals |
| palladium, Pd, atomic number 46 | A silver-white metallic element of the platinum group that resembles platinum |
| polonium, Po, atomic number 84 | A radioactive metallic element that is similar to tellurium and bismuth |
| potassium, K, atomic number 19 | A light soft silver-white metallic element of the alkali metal group |
| praseodymium, Pr, atomic number 59 | A soft yellowish-white trivalent metallic element of the rare earth group |
| promethium, Pm, atomic number 61 | A soft silvery metallic element of the rare earth group having no stable isotope |
| protactinium, protoactinium, Pa, atomic number 91 | A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead |
| radium, Ra, atomic number 88 | An intensely radioactive metallic element that occurs in minute amounts in uranium ores |
| rhenium, Re, atomic number 75 | A rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys |
| rhodium, Rh, atomic number 45 | A white hard metallic element that is one of the platinum group and is found in platinum ores |
| rubidium, Rb, atomic number 37 | A soft silvery metallic element of the alkali metal group |
| ruthenium, Ru, atomic number 44 | A rare polyvalent metallic element of the platinum group |
| samarium, Sm, atomic number 62 | A grey lustrous metallic element of the rare earth group |
| scandium, Sc, atomic number 21 | A white trivalent metallic element |
| sodium, Na, atomic number 11 | A silvery soft waxy metallic element of the alkali metal group |
| strontium, Sr, atomic number 38 | A soft silver-white or yellowish metallic element of the alkali metal group |
| tantalum, Ta, atomic number 73 | A hard grey lustrous metallic element that is highly resistant to corrosion |
| technetium, Tc, atomic number 43 | A crystalline metallic element not found in nature |
| terbium, Tb, atomic number 65 | A metallic element of the rare earth group |
| thallium, Tl, atomic number 81 | A soft grey malleable metallic element that resembles tin but discolors on exposure to air |
| thorium, Th, atomic number 90 | A soft silvery-white tetravalent radioactive metallic element |
| thulium, Tm, atomic number 69 | A soft silvery metallic element of the rare earth group |
| tin, Sn, atomic number 50 | A silvery malleable metallic element that resists corrosion |
| titanium, Ti, atomic number 22 | A light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts) |
| tungsten, wolfram, W, atomic number 74 | A heavy grey-white metallic element |
| uranium, U, atomic number 92 | A heavy toxic silvery-white radioactive metallic element |
| vanadium, V, atomic number 23 | A soft silvery white toxic metallic element used in steel alloys |
| ytterbium, Yb, atomic number 70 | A soft silvery metallic element |
| yttrium, Y, atomic number 39 | A silvery metallic element that is common in rare-earth minerals |
| zinc, Zn, atomic number 30 | A bluish-white lustrous metallic element |
| zirconium, Zr, atomic number 40 | A lustrous grey strong metallic element resembling titanium |
| Broader | 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 |
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| Spanish | elemento metálico, metales, metal |
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| Catalan | element metàl·lic, metall |
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