europium

[ yoo-roh-pee-uhm, yuh- ]

nounChemistry.
  1. a rare-earth metallic element whose salts are light pink. Symbol: Eu; atomic weight: 151.96; atomic number: 63.

Origin of europium

1
First recorded in 1900–05; Europe + -ium

Words Nearby europium

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How to use europium in a sentence

British Dictionary definitions for europium

europium

/ (jʊˈrəʊpɪəm) /


noun
  1. a soft ductile reactive silvery-white element of the lanthanide series of metals: used as the red phosphor in colour television and in lasers. Symbol: Eu; atomic no: 63; atomic wt: 151.965; valency: 2 or 3; relative density: 5.244; melting pt: 822°C; boiling pt: 1527°C

Origin of europium

1
C20: named after Europe + -ium

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for europium

europium

[ yu-rōpē-əm ]


Eu
  1. A very rare, silvery-white metallic element that is the softest member of the lanthanide series. It is used in making color television tubes and lasers and as a neutron absorber in nuclear research. Atomic number 63; atomic weight 151.96; melting point 826°C; boiling point 1,439°C; specific gravity 5.259; valence 2, 3. See Periodic Table.

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