/ Thesaurus / F Synonyms of fluid ounce Find synonyms for: Noun1. fluidounce, fluid ounce, British capacity unit, Imperial capacity unitusage: a British imperial unit of capacity or volume (liquid or dry) equal to 8 fluid drams or 28.416 cubic centimeters (1.734 cubic inches)2. fluidounce, fluid ounce, United States liquid unitusage: a United States unit of capacity or volume equal to 1.804 cubic inchesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language