English

Definition of cerium noun from the Oxford Advanced Learner's Dictionary

 

cerium

 noun
noun
BrE BrE//ˈsɪəriəm//
 
; NAmE NAmE//ˈsɪriəm//
 
[uncountable] (symbol Ce)
 
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a chemical element. Cerium is a silver-white metal used in the production of glass and ceramics. Word Origin early 19th cent.: named after the asteroid Ceres, discovered shortly before.
See the Oxford Advanced American Dictionary entry: cerium