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1. (n.) zirconium
a metallic element resembling titanium chemically: used in steel metallurgy, as a scavenger and refractory, and to make vitreous enamels opaque.
Etymology: (1800–10; < NL; see zircon)
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Princeton's WordNet |
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1. (noun) 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
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Webster Dictionary |
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1. (noun) zirconium
a rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder, or as a gray metallic crystalline substance. Symbol Zr. Atomic weight, 90.4
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The Nuttall Encyclopedia |
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1. zirconium
a metallic element often found in connection with silica, commonly in the form of a black powder.
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| Definition of 'zirconium' |
U.S. National Library of Medicine |
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1. zirconium
Zirconium. A rather rare metallic element, atomic number 40, atomic weight 91.22, symbol Zr. (From Dorland, 28th ed)
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Definitions of zirconium 
