ein·stein·i·um
noun/aɪnˈstaɪniəm/
/aɪnˈstaɪniəm/
[uncountable] (symbol Es)
- a chemical element. Einsteinium is a radioactive element produced artificially from plutonium and other elements.
锿（放射性化学元素） Word Origin1950s: from the name of Albert Einstein (1879-1955) + -ium.