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Noun: cerium  seer-ee-um
  1. A ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
    - Ce, atomic number 58

Derived forms: ceriums

Type of: metal, metallic element

Part of: bastnaesite, bastnasite, gadolinite, monazite, ytterbite

Encyclopedia: Cerium