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thoria definition

tho·ria (t̸hôr′ē ə)

noun

a white, powdery form of thorium dioxide, ThO, used esp. in gas mantles and in making refractory crucibles

Etymology: ModL < Swed Thorjord, lit., Thor-earth (so named by Baron Jöns Jakob Berzelius): see thorium

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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