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

1. Of the period coinciding with the Christian era; preferred by some writers who are not Christians
   "in 200 CE"
   - C.E., Common Era

Type of: metal, metallic element

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

Encyclopedia: CE