Definition of fluid ounce in English:

fluid ounce

Syllabification: flu·id ounce
(abbreviation: fl. oz.)


1US A unit of capacity equal to one sixteenth of a US pint (approximately 0.03 liter).
More 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.
2British A unit of capacity equal to one twentieth of a pint (approximately 0.028 liter).
More 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.

Definition of fluid ounce in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day bimble
Pronunciation: ˈbɪmb(ə)l
walk or travel at a leisurely pace