fluid ounce noun
plural fluid ounces
plural fluid ounces
Learner's definition of FLUID OUNCE
[count]
1
US : a unit of liquid measurement equal to ¹/₁₆ of a U.S. pint or about 29.6 milliliters(美)液量盎司(合美制1/16品脱,或约合29.6毫升)
2
British : a unit of liquid measurement equal to ¹/₂₀ of a British pint or about 28.4 milliliters(英)液量盎司(合英制1/20品脱,或约合28.4毫升)