fluid ounce
noun
1
: a U.S. unit of liquid capacity equal to ¹/₁₆ pint see Weights and Measures Table
2
: a British unit of liquid capacity equal to ¹/₂₀ pint see Weights and Measures Table
Example Sentences
Recent Examples on the Web To kill adult mosquitoes, the district uses an organophosphate insecticide called Dibrom, applying less than a fluid ounce per acre, far below what the Environmental Protection Agency has deemed safe, Faraji explained. 
Brian Maffly, The Salt Lake Tribune, 8 Mar. 2021 That leaves us with an average of 1897.5 mL of sweat per player per game: the equivalent of half a gallon, or about 64 fluid ounces. Erin Blakemore, Popular Science, 1 Feb. 2020 But if left untreated, the ingestion of about one fluid ounce could be fatal. Morgan Hines, USA TODAY, 22 Aug. 2019 Yunko collapsible cups can hold almost six fluid ounces of hot or cold beverages and fold down easily to fit in a small bag or pouch, and Kuju Coffee is perfect for compact camp pour-overs. Dakota Kim, Sunset, 22 Jan. 2018 Seattle’s tax of 1.75 cents per fluid ounce, which took effect in January 2018, is charged to distributors of sugar-sweetened beverages. Daniel Beekman, The Seattle Times, 8 Jan. 2019 Across all beverages and Seattle stores surveyed, an average of 1.70 cents per fluid ounce — or 97 percent of the tax of 1.75 cents per ounce — was passed on to consumers, according to the study. Daniel Beekman, The Seattle Times, 8 Jan. 2019 According to Consumer Reports, Death Wish coffee contains 59 milligrams per fluid ounce. Fiza Pirani, ajc, 11 June 2018 Most importantly, always remember to drink the same fluid ounces of water for each serving of alcohol. Kimberly Mugler, Philly.com, 26 May 2018 See More
Brian Maffly, The Salt Lake Tribune, 8 Mar. 2021 That leaves us with an average of 1897.5 mL of sweat per player per game: the equivalent of half a gallon, or about 64 fluid ounces. Erin Blakemore, Popular Science, 1 Feb. 2020 But if left untreated, the ingestion of about one fluid ounce could be fatal. Morgan Hines, USA TODAY, 22 Aug. 2019 Yunko collapsible cups can hold almost six fluid ounces of hot or cold beverages and fold down easily to fit in a small bag or pouch, and Kuju Coffee is perfect for compact camp pour-overs. Dakota Kim, Sunset, 22 Jan. 2018 Seattle’s tax of 1.75 cents per fluid ounce, which took effect in January 2018, is charged to distributors of sugar-sweetened beverages. Daniel Beekman, The Seattle Times, 8 Jan. 2019 Across all beverages and Seattle stores surveyed, an average of 1.70 cents per fluid ounce — or 97 percent of the tax of 1.75 cents per ounce — was passed on to consumers, according to the study. Daniel Beekman, The Seattle Times, 8 Jan. 2019 According to Consumer Reports, Death Wish coffee contains 59 milligrams per fluid ounce. Fiza Pirani, ajc, 11 June 2018 Most importantly, always remember to drink the same fluid ounces of water for each serving of alcohol. Kimberly Mugler, Philly.com, 26 May 2018 See More Word History
First Known Use
1811, in the meaning defined at sense 1
Kids Definition
fluid ounce
noun
: a unit of liquid capacity equal to 1/16 of a pint (about 29.6 milliliters)
Medical Definition
fluid ounce
noun
1
: a United States unit of liquid capacity equal to ¹/₁₆ pint
2
: a British unit of liquid capacity equal to ¹/₂₀ pint