Share this entry

fluid ounce Line breaks: fluid ounce
(abbreviation fl. oz)

Definition of fluid ounce in English:


1British A unit of capacity equal to one twentieth of a pint (approximately 0.028 litre).
Example sentences
  • The beauty of this scale is that not only can you switch between kilograms and pounds, it also copes with measuring liquids in fluid ounces or millilitres.
  • How anyone dreamed up a system where 20 fluid ounces makes one pint, 437.5 grains makes one ounce and 1,760 yards makes one mile is beyond us.
  • A canteen cup from those days (I have one) holds about 16 fluid ounces, roughly 500 milliliters.
2 (also fluidounce) US A unit of capacity equal to one sixteenth of a US pint (approximately 0.03 litre).
Example sentences
  • The lowest recommended use rate is now 40 fluid ounces / acre.
  • The flush is done by over-filling the system with a solution of 10 fluid ounces of 5 percent chlorine per 40 gal of water.
  • The average person can satisfy fluid needs by drinking pint of water about 2 hours before exercising and continuing to drink 4 to 8 fluid ounces every 20 minutes or so during exercise.

Words that rhyme with fluid ounce

announce, bounce, denounce, flounce, jounce, mispronounce, ounce, pounce, pronounce, renounce, trounce

Definition of fluid ounce in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day innocuous
Pronunciation: ɪˈnɒkjʊəs
not harmful or offensive