Zr

Noun

1.

Zr - 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, zirconium

(networking)

zr - The old country code for Zaire. "cd" is now used instead, since Zaire changed its name to the Democratic Republic of the Congo.

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