Zirconium

n.

1.

(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.

Noun

1.

zirconium - 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 Synonyms: atomic number 40, Zr

atomic number 40, baddeleyite, metal, metallic element, zircon, zirconium silicate, Zr