verb (used with object), dosed, dos·ing.

verb (used without object), dosed, dos·ing.

to take a dose of medicine.

Nearby words

  1. dos passos,
  2. dos passos, john,
  3. dos passos, john roderigo,
  4. dos-à-dos,
  5. dosage,
  6. dose equivalent,
  7. dose of one's own medicine,
  8. dose-response curve,
  9. dosh,
  10. dosimeter

Origin of dose

1590–1600; earlier dos < Late Latin dosis < Greek dósis a giving

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for doser



med a specific quantity of a therapeutic drug or agent taken at any one time or at specified intervals
informal something unpleasant to experiencea dose of influenza
Also called: dosage the total energy of ionizing radiation absorbed by unit mass of material, esp of living tissue; usually measured in grays (SI unit) or rads
Also called: dosage a small amount of syrup added to wine, esp sparkling wine, when the sediment is removed and the bottle is corked
slang a venereal infection, esp gonorrhoea
like a dose of salts very quickly indeed

verb (tr)

to administer a dose or doses to (someone)
med to give (a therapeutic drug or agent) in appropriate quantities
(often foll by up) to give (someone, esp oneself) drugs, medicine, etc, esp in large quantities
to add syrup to (wine) during bottling
Derived Formsdoser, noun

Word Origin for dose

C15: from French, from Late Latin dosis, from Greek: a giving, from didonai to give

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 doser
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for doser




A specified quantity of a therapeutic agent, such as a drug, prescribed to be taken at one time or at stated intervals.
The amount of radiation administered as therapy to a given site.


To give or prescribe something, such as medicine, in specified amounts.
To give someone a dose, as of medicine.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.