aqua regia Hear it!

aqua regia definition

aqua re·gia (rē′jē ə)

a mixture of nitric and hydrochloric acids

Etymology: L, lit., kingly water: it dissolves the “noble metals,” gold and platinum

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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