1 billon | Definition of billon
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billon

noun
bil·​lon | \ ˈbi-lÉ™n How to pronounce billon (audio) \

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

First Known Use of billon

1716, in the meaning defined at sense 1

History and Etymology for billon

French, from Middle French, from bille log — more at billet

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Rhyming Dictionary: Words that rhyme with billon

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