yttrium metals Hear it!

yttrium metals definition

yttrium metals

a series of closely related metals including yttrium, holmium, erbium, thulium, ytterbium, lutetium, and sometimes, terbium, gadolinium, and dysprosium

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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