apothecaries' weight
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Related to apothecaries' weight: avoirdupois weight
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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
apothecaries' weight
n
(Pharmacology) a system of weights, formerly used in pharmacy, based on the Troy ounce, which contains 480 grains. 1 grain is equal to 0.065 gram
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
apoth′ecaries' weight`
n.
a system of weights used chiefly in compounding and dispensing drugs.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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| Noun | 1. |  apothecaries' weight - any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ouncesweight unit, weight - a unit used to measure weight; "he placed two weights in the scale pan" grain - 1/60 dram; equals an avoirdupois grain or 64.799 milligrams scruple - a unit of apothecary weight equal to 20 grains apothecaries' ounce, ounce, troy ounce - a unit of apothecary weight equal to 480 grains or one twelfth of a pound apothecaries' pound, troy pound - an apothecary weight equal to 12 ounces or 373.242 grams |
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