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proof spirit

noun

  1. an alcoholic liquor, or mixture of alcohol and water, containing a standard amount of alcohol. In the U.S. proof spirit has a specific gravity of .93353 (containing one half of its volume of alcohol of a specific gravity of .7939 at 60° F). In Britain proof spirit has a specific gravity of .91984.


proof spirit

noun

  1. (in Britain and Canada) a mixture of alcohol and water or an alcoholic beverage that contains 49.28 per cent of alcohol by weight, 57.1 per cent by volume at 51°F: up until 1980 used as a standard of alcoholic liquids
  2. (in the US) a similar standard mixture containing 50 per cent of alcohol by volume at 60°F


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Word History and Origins

Origin of proof spirit1

First recorded in 1735–45

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Example Sentences

From tincture of guarana (seeds of Paullinia sorbilis), prepared by coction with proof spirit.

From cubebs and proof spirit, equal parts, by percolation; without subsequent evaporation.

From a tincture prepared with proof spirit and water, equal parts.

From a tincture prepared from the dried tops of wormwood boiled in proof spirit.

A better extract is prepared from the common tincture made with proof spirit.

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