realgar Hear it!

realgar definition

re·al·gar (rē al′gər)

noun

a bright orange-red, monoclinic mineral, AsS, used in fireworks, paints, etc.; arsenic sulfide

Etymology: ME < ML, ult. < Ar rahj al-ghār, lit., dust of the cave < rahj, dust + al, the + ghār, cave, mine: orig. obtained by mining

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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