apothecaries' weight

apothecaries' weight
noun
any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
Syn: ↑apothecaries' unit
Hypernyms: ↑weight unit, ↑weight
Hyponyms:

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noun or apothecary weight
: the series of units of weight, including the pound of 12 ounces, the dram of 60 grains, and the scruple, used chiefly by pharmacists in compounding medical prescriptions — see measure table

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a system of weights used chiefly in compounding and dispensing drugs: 20 grains = 1 scruple; 3 scruples = 1 dram; 8 drams = 1 ounce; 12 ounces = 1 pound. The grain, ounce, and pound are the same as in troy weight, the grain alone being the same as in avoirdupois weight.
[1755-65]

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apothecaries' weight noun
A pre-1969 system based on the troy ounce
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Main Entry:apothecary

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a system of fluid measure used in mixing and dispensing liquid drugs. In the United States:
60 minims = 1 fluid dram = 3.6966 milliliters
8 fluid drams = 1 fluid ounce = 0.0295 liter
16 fluid ounces = 1 pint = 0.4732 liter
8 pints = 1 U.S. gallon or 231 cubic inches or 3.7853 liters
apothecaries' weight,
a system of dry weights in which a pound containing 12 ounces is used. Apothecaries' weight is used in mixing drugs and filling prescriptions:
20 grains = 1 scruple = 1.296 grams
3 scruples = 1 dram = 3.888 grams
8 drams = 1 ounce = 31.1035 grams
12 ounces = 1 pound = 373.24 grams
a|poth|e|car|y «uh POTH uh KEHR ee», noun, plural -car|ies.
1. a person who prepares and sells drugs and medicines; druggist; pharmacist.
2. a person in England and Ireland who formerly prescribed medicines and sold them as well.
[< Late Latin apothēcārius shopkeeper < Latin apothēca storehouse < Greek apothē, related to apotithénai to put away < apo- away + tithénai put]

Useful english dictionary. 2012.

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Look at other dictionaries:

  • apothecaries'weight — n. A system of weights used in pharmacy and based on an ounce equal to 480 grains and a pound equal to 12 ounces. It has been largely replaced by measures of the metric system. * * * …   Universalium

  • apothecaries' weight — n a system of weights used chiefly by pharmacists in compounding medical prescriptions that include the pound of 12 ounces, the dram of 60 grains, and the scruple * * * a system of weights used in compounding prescriptions, based on the grain (64 …   Medical dictionary

  • apothecaries' weight — n. a system of weights no longer used in modern pharmacy: see the table of weights and measures in the Reference Supplement …   English World dictionary

  • apothecaries' weight — a system of weights used chiefly in compounding and dispensing drugs: 20 grains = 1 scruple; 3 scruples = 1 dram; 8 drams = 1 ounce; 12 ounces = 1 pound. The grain, ounce, and pound are the same as in troy weight, the grain alone being the same… …   Universalium

  • Apothecaries' weight — Apothecary A*poth e*ca*ry, n.; pl. {Apothecaries}. [OE. apotecarie, fr. LL. apothecarius, fr. L. apotheca storehouse, Gr. apo, fr. ? to put away; ? from + ? to put: cf. F. apothicaire, OF. apotecaire. See {Thesis}.] One who prepares and sells… …   The Collaborative International Dictionary of English

  • apothecaries' weight — noun Date: 1765 a system of weights used chiefly by pharmacists called also apothecary weight see weight table …   New Collegiate Dictionary

  • apothecaries' weight — apoth′ecaries weight n. wam a system of weights used chiefly in compounding and dispensing drugs …   From formal English to slang

  • apothecaries' weight — /əˈpɒθəkriz weɪt/ (say uh pothuhkreez wayt) noun a system of weights formerly used in compounding and dispensing drugs …  

  • Weight — Weight, n. [OE. weght, wight, AS. gewiht; akin to D. gewigt, G. gewicht, Icel. v[ae]tt, Sw. vigt, Dan. v[ae]gt. See {Weigh}, v. t.] [1913 Webster] 1. The quality of being heavy; that property of bodies by which they tend toward the center of the… …   The Collaborative International Dictionary of English

  • Weight of observation — Weight Weight, n. [OE. weght, wight, AS. gewiht; akin to D. gewigt, G. gewicht, Icel. v[ae]tt, Sw. vigt, Dan. v[ae]gt. See {Weigh}, v. t.] [1913 Webster] 1. The quality of being heavy; that property of bodies by which they tend toward the center… …   The Collaborative International Dictionary of English

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