Proof

/PROOF/

Alcohol measurement system, double the ABV percentage.

Full Definition

Proof is an alcohol measurement where US proof equals double the ABV percentage (80 proof = 40% ABV). Historically from testing gunpowder ignition with spirits. Rarely used for wine but applies to fortified wines and spirits. UK formerly used different proof system.

Related Terms

abv alcohol percentage

See Also

fortified spirits

Private Reserve Back to Glossary Pruning

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