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europium


Definition of europium

noun

[mass noun]
  • the chemical element of atomic number 63, a soft silvery-white metal of the lanthanide series. Europium oxide is used with yttrium oxide as a red phosphor in colour television screens. (Symbol: Eu)

Origin:

early 20th century: modern Latin, based on Europe

europium in other Oxford dictionaries

Definition of europium in the US English dictionary
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