Definition of Troy ounce
1. Noun. A unit of apothecary weight equal to 480 grains or one twelfth of a pound.
Generic synonyms: Troy Unit, Apothecaries' Unit, Apothecaries' Weight
Terms within: Pennyweight, Drachm, Drachma, Dram
Group relationships: Apothecaries' Pound, Troy Pound
Definition of Troy ounce
1. Noun. A former unit of mass equal to 480 grains or 1/12th of a troy pound ¹
¹ Source: wiktionary.com
Troy Ounce Pictures
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Lexicographical Neighbors of Troy Ounce
Literary usage of Troy ounce
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"Some 18 different values are recorded, varying from 7.42 grams to 24 United States grains, The troy ounce is the highest troy denomination permitted in ..."
2. American Druggist (1889)
"Here there are the same number of grains in the troy ounce as in the apothecaries' ounce, viz. : 480, and the Troy pound consists of twelve ounces, ..."
3. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"Platinum in the United States sold in 1890 at $16 per troy ounce and is selling now at $105 per troy ounce, five times the cost of gold. ..."
4. An Almanack for the Year of Our Lord by Joseph Whitaker (1869)
"i troy ounce. For gold and silver the ounce, divided decimally, ... The Troy ounce is the same as the Apothecaries' ounce — 480 Avoirdupois grains (31*1035 ..."
5. A Dictionary of Weights and Measures for the British Isles: The Middle Ages by Ronald Edward Zupko (1985)
"1816 Kelly 92: The Scotch jewellers divide the troy ounce ... 1883 Simmonds sv: The troy ounce in England weighs 480 grains. ..."
6. A Dictionary of Weights and Measures for the British Isles: The Middle Ages by Ronald Edward Zupko (1985)
"1816 Kelly 92: The Scotch jewellers divide the troy ounce into l6 drops, each drop being ... 1883 Simmonds sv: The troy ounce in England weighs 480 grains. ..."
7. The Americana: A Universal Reference Library, Comprising the Arts and ...by Frederick Converse Beach, George Edwin Rines by Frederick Converse Beach, George Edwin Rines (1912)
"The troy ounce is the highest Troy denomination permitted in England, ... The silk troy ounce according to Troemner is the 1-16 of the Troy pound and ..."
8. A Manual of Chemistry: Containing the Principal Facts of the Science by William Thomas Brande, William James MacNeven (1821)
"The subdivisions of the troy ounce, called Apothecaries weight, ... The troy ounce is also sometimes divided into 20 penny weights, of 24 grains each. ..."