As nouns the difference between billon and sillon
is that
billon is any of several alloys of precious metals and base metals that is used (where legal) to make coins, medals etc while
sillon is (military|historical) a work raised in the middle of a wide ditch, to defend it.
billon English
Noun
( wikipedia billon)
( en noun)
Any of several alloys of precious metals and base metals that is used (where legal) to make coins, medals etc.
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sillon English
Noun
( en noun)
(military, historical) A work raised in the middle of a wide ditch, to defend it.
- (Crabb)
( Webster 1913)
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