samarskite Hear it!

samarskite definition

sa·mar·skite (sə mär′skīt, sam′ər skīt′)

noun

a dark-colored, hard, radioactive, mineral (Y,Ce,U,Ca,Fe,Pb,Th)(Nb,Ta,Ti,Sn)O, that is an ore of uranium or niobium

Etymology: Fr: so named (1847) after Col. Samarski, Russ mining official

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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