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proof spirit

noun

Definition of proof spirit

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

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First Known Use of proof spirit

1703

Medical Dictionary

proof spirit

play
noun \ˈprüf-\

Medical Definition of proof spirit

  1. 1:  an alcoholic liquor or mixture of alcohol and water containing 50 percent ethanol by volume at 60° F (15.6°C)

  2. 2British :  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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