1. A ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
   "Cerium oxide is used in catalytic converters";
   - Ce, atomic number 58

Derived forms: ceriums

Type of: metal, metallic element

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

Encyclopedia: Cerium