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English definition of “proof”

proof

adjective [after noun] (ALCOHOL)    /pruːf/
of the stated alcoholic strength , a higher number meaning a greater amount of alcohol : It says on the bottle that it's 60 percent proof.Alcohol - general wordsWeighing and measuring
(Definition of proof adjective (ALCOHOL) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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