cal·i·for·ni·um
noun/ˌkælɪˈfɔːniəm/
/ˌkælɪˈfɔːrniəm/
[uncountable] (symbol Cf)
- a chemical element. Californium is a radioactive metal produced artificially with curium or americium.
锎（人工合成放射性化学元素） Word Origin1950s: named after California University (where it was first made) + -ium.