barite Hear it!

barite definition

bar·ite (ber′īt′)

noun

a soft, heavy, orthorhombic mineral, barium sulfate, BaSO, that is the chief ore of barium, used in making paint, drilling mud, etc.

Etymology: < Gr barys, weighty (see grave) + -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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