noun🔗ShareZirkoniumA chemical element (symbol Zr) with an atomic number of 40, a strong, lustrous, grey-white transition metal mainly used as a refractory and opacifier."The scientist used zirconium in the lab experiment because it's a strong, light-reflective metal. "Der Wissenschaftler verwendete Zirkonium in dem Laborexperiment, weil es ein starkes, lichtreflektierendes Metall ist.elementchemistrymaterialsubstancescienceChat with AIVocabulary GamePractice Reading
