the administration of medicine in doses.
the amount of medicine to be given.
Physics. dose.
the process of adding a sugar solution to champagne and other sparkling wines before final corking.

Origin of dosage

First recorded in 1840–50; dose + -age Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dosage

Contemporary Examples of dosage

  • It also warns about reducing the dosage if the patient uses narcotic pain relievers or other opioids or sedatives.

    The Daily Beast logo
    Defending Jackson's Doctor

    Gerald Posner

    July 27, 2009

Historical Examples of dosage

British Dictionary definitions for dosage



the administration of a drug or agent in prescribed amounts and at prescribed intervals
the optimum therapeutic dose and optimum interval between doses
another name for dose (def. 3), dose (def. 4)
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).

Online Etymology Dictionary, © 2010 Douglas Harper

dosage in Medicine




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