Definition of zirconium in English:


Syllabification: zir·co·ni·um
Pronunciation: /ˌzərˈkōnēəm


  • The chemical element of atomic number 40, a hard silver-gray metal of the transition series. (Symbol: Zr)
    More example sentences
    • Sodium is also used as a chemical reducing agent in producing titanium, zirconium, niobium, and tantalum from their fused salts.
    • The process is not recommended for weld preparation for stainless steel, titanium, zirconium, and other similar metals without subsequent cleaning.
    • For deoxidation of carbon and low-alloy steels, aluminum, titanium, and zirconium are used.


early 19th century: modern Latin, from zircon.

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