fluid ounce

noun
|Updated on: 28 Jun 2018

Definition of fluid ounce

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

Recent Examples of fluid ounce from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluid ounce.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of fluid ounce

1811

in the meaning defined at sense 1

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FLUID OUNCE Defined for English Language Learners

fluid ounce

Definition of fluid ounce for English Language Learners

  • : a unit of liquid measurement equal to 1/16 of a U.S. pint or about 29.6 milliliters

  • : a unit of liquid measurement equal to 1/20 of a British pint or about 28.4 milliliters


FLUID OUNCE Defined for Kids

fluid ounce

noun

Definition of fluid ounce for Students

: a unit of liquid capacity equal to 1/16 of a pint (about 29.6 milliliters)

Medical Dictionary

fluid ounce

noun

medical Definition of fluid ounce

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


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