proof spirit

noun

Definition of proof spirit

:an alcoholic liquor or mixture of ethanol and water that contains 50 percent ethanol by volume at 60°F (16°C)

First Known Use of proof spirit

1703


Medical Dictionary

proof spirit

noun \ ˈprüf- \

medical Definition of proof spirit

1 :an alcoholic liquor or mixture of alcohol and water containing 50 percent ethanol by volume at 60° F (15.6°C)
2 British :liquor that weighs ¹²/₁₃ of an equal measure of distilled water or contains 57.10 percent by volume of alcohol

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