europium

[yoo-roh-pee-uh m, yuh-]

noun Chemistry.

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

Nearby words

  1. europeanize,
  2. europhile,
  3. europhilia,
  4. europhobia,
  5. europhobic,
  6. europocentric,
  7. europol,
  8. europoort,
  9. eurosceptic,
  10. eurostat

Origin of europium

First recorded in 1900–05; Europe + -ium

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for europium

europium

noun

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

Word Origin for europium

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

Word Origin and History for europium

europium

n.

rare earth element, 1901, named by its discoverer, French chemist Eugène Demarçay (1852-1903) in 1896, from Europe + -ium.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for europium

europium

[yu-rōpē-əm]

n. Symbol Eu

A rare-earth element used as a neutron absorber in nuclear research. Atomic number 63.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for europium

europium

[yu-rōpē-əm]

Eu

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.