definitions

Eu

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Symbol, Chemistry.

europium.

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RELATED WORDS

EEC

Definition for eu (2 of 3)

EU

European Union.

Definition for eu (3 of 3)

eu-

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

Examples from the Web for eu

British Dictionary definitions for eu (1 of 4)

eu

the internet domain name for

the European Union

British Dictionary definitions for eu (2 of 4)

Eu

the chemical symbol for

europium

British Dictionary definitions for eu (3 of 4)

EU

abbreviation for

European Union

British Dictionary definitions for eu (4 of 4)

eu-

combining form

well, pleasant, or goodeupeptic; euphony

Word Origin for 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

Word Origin and History for eu

eu-

word-forming element in modern use meaning "good, well," from comb. form of Greek eus "good," eu "well" (adv.), also "luckily, happily," from PIE *(e)su- "good" (cf. Sanskrit su- "good," Avestan hu- "good").

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for eu (1 of 2)

Eu

The symbol for the elementeuropium

Medicine definitions for eu (2 of 2)

eu-

pref.

Good; well; true:eupepsia.
A derivative of a specified substance:euglobulin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for eu (1 of 2)

Eu

The symbol for europium.

Science definitions for eu (2 of 2)

europium

[ yu-rō′pē-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.