| 单词 | Zr |
| 释义 | Zr (once / 157591 pages) n WORD FAMILY Zr USAGE EXAMPLESC, Si, Ge, Zr, Th, tetravalent; Ti, tetravalent and hexavalent; Sn, Pb, divalent and tetravalent; Ce, trivalent and tetravalent. Various, Encyclopaedia Britannica, 11th Edit...(2010) n 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 Syn|Hyper atomic number 40, zirconium metal, metallic element 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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