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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fluid ounce in a sentence
As any middle-school science teacher will yell at you, “fluid ounces” are not the same as ounces.Best kitchen scales: This handy kitchen essential is a must-have for baking and beyond | Irena Collaku | July 24, 2021 | Popular-Science
The number of grains per fluid ounce can of course be obtained by multiplying the percentage by 4.375.
The British Pharmacopœia allows four grains of the permanganate of potash (the basis of the solution) to the fluid ounce.Household Organization | Florence Caddy
About a fluid ounce of a rather dirty-looking solution of saltpeter resulted, to which a little sugar was added.Adrift in the Ice-Fields | Charles W. Hall
Each fluid ounce represents: Thuja Occidentalis, 31⁄2 grains.
Take half a fluid ounce of the two in five gum mucilage, to which add the same quantity of water and thoroughly mix.The Barnet Book of Photography | Various
British Dictionary definitions for fluid ounce
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
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.