cerium

Definitions

General Science

  • noun a soft grey metallic element, the most abundant of the rare earth group, used in glassmaking, ceramics, cigarette-lighter flints

Electronics

  • An iron-gray, ductile, and highly reactive metal whose atomic number is 58. It has about 30 known isotopes, of which 3 are stable. Among its applications in electronics are its use as a getter in vacuum tubes, and as a phosphor. Its chemical symbol is Ce.
  • chemical symbolCe
http://www.dictionarycentral.com/definition/cerium.html