colemanite Hear it!

colemanite definition

☆ cole·man·ite (kōl′mən īt′)

noun

a white or colorless, monoclinic mineral, CaBO·5HO, that is an ore of boron; hydrous calcium borate

Etymology: after W. T. Coleman (1824-93), U.S. manufacturer of borax

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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