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cerium metals definition

cerium metals

a series of closely related metals belonging to the rare-earth elements and having atomic numbers from 57 to 63; lanthanum, cerium, praseodymium, neodymium, promethium, samarium, and europium

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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