zirconiumEnglishOxford Dictionary of Englishzirconium /zəːˈkəʊniəm / ▸ noun [mass noun] (Symbol: Zr) the chemical element of atomic number 40, a hard silver-grey metal of the transition series. – ORIGIN early 19th century: modern Latin, from zircon.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
