Symbol, Chemistry.
  1. europium.

Other definitions for EU (2 of 3)

[ ee-yoo ]

abbreviation, noun

Other definitions for eu- (3 of 3)


  1. a combining form meaning “good,” “well,” occurring chiefly in words of Greek origin (eupepsia); in scientific coinages, especially taxonomic names, it often has the sense “true, genuine” (eukaryote)

Origin of eu-

<Greek, combining form of eús good (adj.) or eú, eû (neuter, used as adv.) well Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Eu in a sentence

British Dictionary definitions for eu (1 of 4)


the internet domain name for
  1. the European Union

British Dictionary definitions for Eu (2 of 4)


the chemical symbol for
  1. europium

British Dictionary definitions for EU (3 of 4)


abbreviation for
  1. European Union

British Dictionary definitions for eu- (4 of 4)


combining form
  1. well, pleasant, or good: eupeptic; euphony

Origin of eu-

via Latin from Greek, from eus good

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 Eu


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