fluid ounce

  1. a measure of capacity equal to 1/16 (0.0625) pint (29.6 milliliters) in the U.S., and equal to 1/20 (0.05) of an imperial pint (28.4 milliliters) in Great Britain. Abbreviation: fl. oz; Symbol: f

Origin of fluid ounce

First recorded in 1880–85

Words Nearby fluid ounce

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use fluid ounce in a sentence

  • Take half a fluid ounce of the two in five gum mucilage, to which add the same quantity of water and thoroughly mix.

British Dictionary definitions for fluid ounce

fluid ounce

  1. a unit of capacity equal to the volume of one avoirdupois ounce of distilled water at 62°F: there are twenty fluid ounces in an Imperial pint and sixteen in a US pint

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for fluid ounce

fluid ounce

  1. A unit of liquid volume or capacity in the US Customary System equal to 116 of a pint (29.57 milliliters). See Table at measurement.

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