billon Hear it!

billon definition

bil·lon (bil′ən)

noun

an alloy used in some coins, consisting of gold or silver with a heavy proportion of another metal, as copper

Etymology: Fr < OFr bille, small log: see billet

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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