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Definition of Avoirdupois ounce
1. Noun. A unit of weight in the avoirdupois system of units, equal to one sixteenth of a avoirdupois pound. ¹
¹ Source: wiktionary.com
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1. Noun. A unit of weight in the avoirdupois system of units, equal to one sixteenth of a avoirdupois pound. ¹
¹ Source: wiktionary.com