Meaning of fluid ounce

flu'id ounce'

Pronunciation: [key]
  1. a measure of capacity equal to pint or 1.8047 cubic inches (29.573 milliliters) in the U.S., and equal to of an imperial pint, or 1.7339 cubic inches (28.413 milliliters) in Great Britain. Abbr.: fl. oz; Symbol: f &ounce;
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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