Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “ounce”

ounce

noun [C] (WEIGHT)   /ɑʊns/ (abbreviation oz.)
a unit of measurement of weight equal to 1/16 pound or 28 grams An ounce is also a very small amount : If he’s got an ounce of common sense , he’ll realize that this project is bound to fail .
(Definition of ounce noun (WEIGHT) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of ounce

More American English definitions for “ounce”

Definitions of “ounce” in other dictionaries

Word of the Day

friendship

a situation in which two people are friends

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More