Meaning of “fluid ounce” in the English Dictionary

american-english dictionary

"fluid ounce" in British English

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fluid ouncenoun [ C ]

uk /ˌfluː.ɪd ˈaʊns/ us /ˌfluː.ɪd ˈaʊns/ written abbreviation fl oz old-fashioned

Examples from literature

  • For this purpose, ten grains or more may be dissolved in a fluid ounce of distilled water. 
  • In the former case the volume should be accurately measured, and the quantity noted either in fluid ounces or cubic centimeters before commencing the analysis. 
  • Powdered carbonate of ammonia one ounce, strong solution of ammonia half a fluid ounce, oil of rosemary ten drops, oil of bergamot ten drops. 
  • The average quantity is four to six fluid ounces. 
  • This quantity is contained in two fluid ounces of brandy or whiskey, five fluid ounces of port or sherry, ten of claret or champagne or other light wines, and twenty of bottled beer. 

(Definition of “fluid ounce” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"fluid ounce" in American English

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fluid ouncenoun [ C ]

us /ˈflu·ɪd ˈɑʊns/ abbreviation fl. oz.

a measurement of liquid equal to .03 liter

(Definition of “fluid ounce” from the Cambridge Academic Content Dictionary © Cambridge University Press)