europium Hear it!

europium definition

eu·ro·pium (yo̵̅o̅ rō′pē əm)

noun

a chemical element, one of the rare-earth elements, used as the red phosphor in color TVs: symbol, Eu; at. no., 63

Etymology: ModL: so named (1901) by E. A. Demarçay (1852-1904), Fr chemist < Europe + -ium

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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