Zirconium

[zɜː'kəʊnɪəm] or [zɚ'konɪəm]

解释:

(noun.) 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.

埃维塔校对--From WordNet

解释:

(n.) 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.

伊夫林整理

解释:

n. the metallic constituent of the earth Zircō′nia which is found in association with silica in the minerals Zir′con and hyacinth and is obtained only in Ceylon one district of the Ural and southern Norway.—n. Zir′conite a variety of zircon.

巴尔托迪编辑