Definition: A measure of capacity: 8 fluidrams. The imperial fluidounce is a measure containing 1 avoirdupois ounce, 437.5 grains, of distilled water at 15.6°C, and equals 28.4 ml; the U.S. fluidounce is 1/128 gallon, contains 454.6 grains of distilled water at 25°C, and equals 29.57 mL.
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.