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See more synonyms for dosage on Thesaurus.com
  1. the administration of medicine in doses.
  2. the amount of medicine to be given.
  3. Physics. dose.
  4. the process of adding a sugar solution to champagne and other sparkling wines before final corking.
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Origin of dosage

First recorded in 1840–50; dose + -age
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for dosage

shot, measurement, application, lot, measure, prescription, quantity, dosage, potion, hit, fix, share, dram, nip, slug, fill, draught, spoonful

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British Dictionary definitions for dosage


  1. the administration of a drug or agent in prescribed amounts and at prescribed intervals
  2. the optimum therapeutic dose and optimum interval between doses
  3. another name for dose (def. 3), dose (def. 4)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for dosage


1867; see dose + -age, perhaps on model of French dosage (1812).

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Online Etymology Dictionary, © 2010 Douglas Harper

dosage in Medicine


  1. Administration of a therapeutic agent in prescribed amounts.
  2. Determination of the amount to be so administered.
  3. The amount so administered.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.