fluid ounce

noun
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. Symbol: f.
Abbreviation: fl. oz;
Origin
1880-85
Examples from the web for fluid ounce
  • When it expands, it weighs less per fluid ounce, quart or gallon than the cold liquid above it.
British Dictionary definitions for fluid ounce

fluid ounce

noun
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
fluid ounce in Medicine

fluid ounce or fluidounce
n.
Abbr. fl oz, fl. oz.
A unit of volume or capacity equal to 8 fluid drams or 29.57 milliliters.

fluid ounce in Science
fluid ounce  
A unit of liquid volume or capacity in the US Customary System equal to 1/16 of a pint (29.57 milliliters). See Table at measurement.