chrome alum Hear it!

chrome alum definition

chrome alum

an alum of which one of the components is chromium; esp., potassium chromium sulfate, KCr(SO)·12HO, used in tanning and dyeing

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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