https://www.thefreedictionary.com/troy+weight. 24 grains = 1 pennyweight; 20 pennyweights = 1 (troy) ounce; 12 ounces = 1 (troy) pound. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. (Units) a system of weights used for precious metals and gemstones, based on the grain, which is identical to the avoirdupois grain. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Here Be Dragons: A Creature Identification Quiz. Medical Definition of troy weight. a system of weights in use for precious metals and gems, in which a pound equals 12 ounces (0.373 kg) and an ounce equals 20 pennyweights or 480 grains (31.103 grams). The troy pound is equal to the apothecaries’ pound and to approximately 0.82 avoirdupois pound and 0.373 kilogram. Accessed 9 Nov. 2020. The troy grain, pennyweight, and ounce have been used since the Middle Ages to weigh gold, silver, and other precious metals and stones. According to Ross (1983: 16), we can identify 29 English dry weight systems, seven of which can be regarded as primary systems: (i) the Tower Weight; (ii) the Merchants' Weight; (iii) the Hanseatic Merchants' Weight; (iv) the Avoir-du-pois Weight; (v) the Haverdepoise Weight; (vi) the, King Henry II introduced the system and modelled it on, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, MEASURES IN MEDIEVAL ENGLISH RECIPES --CULINARY VS. MEDICAL. Troy weight, traditional system of weight in the British Isles based on the grain, pennyweight (24 grains), ounce (20 pennyweights), and pound (12 ounces). 15th century, in the meaning defined above. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Announcing our NEW encyclopedia for Kids! Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... …the separate English pounds for troy weight, perhaps from Troyes, one of the principal fair cities, and avoirdupois weight, the term used at the fairs for goods that had to be weighed—sugar, salt, alum, dyes, grain. Britannica.com: Encyclopedia article about troy weight. Calculator Use. Please tell us where you read or heard it (including the quote, if possible). troy. This online conversion calculator will convert among different troy units of weight or mass. The troy grain, pennyweight, and ounce have been used since the Middle Ages to weigh gold, silver, and other precious metals and stones. n. (Units) a system of weights used for precious metals and gemstones, based on the grain, which is identical to the avoirdupois grain. The troy pound was adopted by the U.S. Mint for the regulation of coinage in 1828. Can you spell these 10 commonly misspelled words? Build a city of skyscrapers—one synonym at a time. Test Your Knowledge - and learn some interesting things along the way. The troy pound is 12 troy ounces rather than the 16 ounces that are usual in the avoirdupois system (British Imperial and American Customary units) with the troy pound being 5,760 grains as opposed to the 7,000 grains in the avoirdupois system. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! troy weight noun a system of weights in use for precious metals and gems (formerly also for bread, grain, etc. : a series of units of weight based on a pound of 12 ounces and an ounce of 480 grains or 31.103 grams. ): 24 grains = 1 pennyweight (1.555 grams); 20 pennyweights = 1 ounce (31.103 grams); 12 ounces = 1 pound (0.373 kilogram). All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. A system of units of weight in which the grain is the same as in the avoirdupois system and the pound contains 12 ounces, 240 pennyweights, or 5,760 grains. For broader calculations use the weight conversion calculator and more specific to avoirdupois, the U.S. standard system units, use avoirdupois unit conversions. https://www.britannica.com/science/troy-weight. Corrections? Omissions? Troy weight definition: a system of weights used for precious metals and gemstones , based on the grain , which... | Meaning, pronunciation, translations and examples Our editors will review what you’ve submitted and determine whether to revise the article. The Troy weight, traditional system of weight in the British Isles based on the grain, pennyweight (24 grains), ounce (20 pennyweights), and pound (12 ounces). Troy system of units is still commonly used for precious metals such as gold, silver and platinum along with gemstones. 'All Intensive Purposes' or 'All Intents and Purposes'? 'Nip it in the butt' or 'Nip it in the bud'? What made you want to look up troy weight? The grain has a … “Troy weight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/troy%20weight. Post the Definition of troy weight to Facebook, Share the Definition of troy weight on Twitter. Delivered to your inbox! The name supposedly derives from the city of Troyes in France, site of one of the major medieval fairs. The troy pound, for weighing gold and silver bullion, and the apothecaries’ weight for…. Learn a new word every day. Updates? How to use a word that (literally) drives some pe... Do you know what languages these words come from? 24 grains = 1 pennyweight; 20 pennyweights = 1 (troy) ounce; 12 ounces = 1 (troy) pound. Let us know if you have suggestions to improve this article (requires login).
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