gadolinite Hear it!

gadolinite definition

gado·lin·ite (gad′ō lin īt′)

noun

a dark green to black, hard, radioactive mineral, beryllium iron yttrium silicate, BeFeYSiO, that is an ore of various rare-earth elements

Etymology: Ger gadolinit, after J. Gadolin (1760-1852), Finn chemist who isolated it

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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