billon


bil·lon

noun \ˈbi-lən\

Definition of BILLON

1
:  gold or silver heavily alloyed with a less valuable metal
2
:  an alloy of silver containing more than 50 percent of copper by weight

Origin of BILLON

French, from Middle French, from bille log — more at billet
First Known Use: circa 1727

Rhymes with BILLON

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