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Definition of ounce
1a : a unit of weight equal to 1⁄12 troy pound — see weight tableb : a unit of weight equal to 1⁄16 avoirdupois poundc : a small amount an ounce of sense
2 : fluid ounce
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Origin and Etymology of ounce
Middle English, from Anglo-French unce, from Latin uncia 12th part, ounce, from unus one — more at one
Origin and Etymology of ounce
Middle English unce lynx, from Middle French, alteration (by misdivision, as if l'once the ounce) of lonce, probably from Old Italian lonza, from Middle Greek lynk-, lynx, from Greek
OUNCE Defined for Kids
ounce
playDefinition of ounce for Students
1 : a unit of weight equal to 1⁄16 pound (about 28 grams)
2 : a unit of liquid capacity equal to 1⁄16 pint (about 30 milliliters)
Medical Dictionary
ounce
playMedical Definition of ounce
1a: a unit of troy weight equal to 1⁄12 troy pound or 31.103 gramsb: a unit of avoirdupois weight equal to 1⁄16 avoirdupois pound or 28.350 grams
2: fluid ounce
Learn More about ounce
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Thesaurus: All synonyms and antonyms for ounce Spanish Central: Translation of ounce Nglish: Translation of ounce for Spanish speakers Britannica English: Translation of ounce for Arabic speakers Britannica.com: Encyclopedia article about ounce
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