thorite Hear it!

thorite definition

tho·rite (t̸hôr′īt′)

noun

a rare, usually dark, hard, radioactive mineral, thorium silicate, ThSiO, that is usually hydrated

Etymology: Swed thorit: see thorium & -ite

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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