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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 zir·co·ni·um /ˌzɝˈkoniəm/
 鋯

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 zir·co·ni·um /(ˌ)zɝˈkonɪəm/ 名詞
 鋯

From: Webster's Revised Unabridged Dictionary (1913)

 Zir·co·ni·um n.  Chem. 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.
 ◄ ►

From: WordNet (r) 2.0

 zirconium
      n : a lustrous gray 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
          [syn: Zr, atomic number 40]

From: Elements database 20001107

 zirconium
 Symbol: Zr
 Atomic number: 40
 Atomic weight: 91.22
 Grey-white metallic transition element. Five natural isotopes and six
 radioactive isotopes are known. Used in nuclear reactors for a neutron
 absorber. Discovered in 1789 by Martin Klaproth, isolated in 1824 by
 Berzelius.