apothecaries' measure


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a·poth·e·car·ies' measure

(ə-pŏth′ĭ-kĕr′ēz)
n.
A system of liquid volume measure used in pharmacy. 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' measure

n
(Pharmacology) a system of liquid volume measure used in pharmacy in which 60 minims equal 1 fluid drachm, 8 fluid drachms equal 1 fluid ounce, and 20 fluid ounces equal 1 pint
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

apoth′ecaries' meas`ure


n.
a system of units used chiefly in compounding and dispensing liquid drugs.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
As a unit of measure, the ounce referred to 'a unit of weight equal to (a) one-twelfth of a pound in troy and apothecaries' measure, equal to 480 grains (= 31.1 grams); (b) one-sixteenth of a pound in avoirdupois measure (= ~ 28.3 grams)' (OED).