Words by: Simon Difford
Abbreviated on this site 'alc./vol.' and also commonly abbreviated as 'abv', this term is a measure of a spirits strength, recorded as a percentage of alcohol by volume at a given temperature (15°C).
Alcohol by volume, now the most commonly used method of recording alcoholic strength in Europe is more properly known is the 'Gay Lussac Scale', named after its originator, a French physicist.
At one end of the Gay Lussac Scalescale, zero alcohol (water) is equal to 0% alc./vol., while at the opposite end, pure alcohol (proof) is measured at 100% alc./vol.
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