cerium

noun ce·ri·um \ˈsir-ē-əm\

Definition of CERIUM

: a malleable ductile metallic element that is the most abundant of the rare-earth group — see element table

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New Latin, from Ceres, an asteroid

First Known Use: 1804

Medical Dictionary

noun ce·ri·um \ˈsir-ē-əm\

: a malleable ductile metallic element that is the most abundant of the rare-earth group—symbol Ce; see element table

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