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Definition of Troy ounce
1. Noun. A unit of apothecary weight equal to 480 grains or one twelfth of a pound.
Exact synonyms: Apothecaries' Ounce, Ounce
Generic synonyms: Troy Unit, Apothecaries' Unit, Apothecaries' Weight
Terms within: Pennyweight, Drachm, Drachma, Dram
Group relationships: Apothecaries' Pound, Troy Pound
Generic synonyms: Troy Unit, Apothecaries' Unit, Apothecaries' Weight
Terms within: Pennyweight, Drachm, Drachma, Dram
Group relationships: Apothecaries' Pound, Troy Pound