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dose

American  
[dohs] / doʊs /

noun

doses plural
  1. a quantity of medicine prescribed to be taken at one time.

  2. a substance, situation, or quantity of anything analogous to medicine, especially of something disagreeable.

    Failing the exam was a hard dose to swallow.

  3. an amount of sugar added in the production of champagne.

  4. Physics.

    1. Also called absorbed dose.  the quantity of ionizing radiation absorbed by a unit mass of matter, especially living tissue, measured in grays: although increasingly disfavored, in the U.S. an absorbed dose may still be measured in rads.

    2. exposure dose.

  5. Slang. a case of gonorrhea or syphilis.


verb (used with object)

doses, present (3rd person singular) dosed, past participle, past dosing present participle
  1. to administer in or apportion for doses.

  2. to give a dose of medicine to.

  3. to add sugar to (champagne) during production.

verb (used without object)

doses, present (3rd person singular) dosed, past participle, past dosing present participle
  1. to take a dose of medicine.

dose British  
/ dəʊs /

noun

  1. med a specific quantity of a therapeutic drug or agent taken at any one time or at specified intervals

  2. informal something unpleasant to experience

    a dose of influenza

  3. 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

  4. Also called: dosage.  a small amount of syrup added to wine, esp sparkling wine, when the sediment is removed and the bottle is corked

  5. slang a venereal infection, esp gonorrhoea

  6. very quickly indeed

"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

verb

  1. to administer a dose or doses to (someone)

  2. med to give (a therapeutic drug or agent) in appropriate quantities

  3. (often foll by up) to give (someone, esp oneself) drugs, medicine, etc, esp in large quantities

  4. to add syrup to (wine) during bottling

"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

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Etymology

Origin of dose

First recorded in 1590–1600; French , from Late Latin dosis, from Greek dósis “a giving, gift,” derivative of didónai “to give”

Explanation

A dose is the amount of medicine you're supposed to take. A bottle of aspirin has the recommended dose printed on its side. When your doctor prescribes medication, she tells you what dose you should take, whether it's one pill twice a day or two teaspoons just before bedtime. You can also get a dose of something else: having x-rays gives you a small dose of radiation, for example, and watching the news instead of your favorite cartoon can be said to give you a dose of reality. The Greek root of dose is dosis, "a portion prescribed."

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Vocabulary lists containing dose

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He also covers Syracuse men's and women's basketball for SB Nation's Nunes Magician, the Big East and other high-majors for Daly Dose of Hoops, and contributes features and columns to Basket Under Review.

From The Wall Street Journal • Jun. 18, 2026

Dose, of course, plays a major role as well, but these agencies put no limit on daily consumption of erythritol.

From Salon • Mar. 13, 2023

Dose of reality: As winter snow thawed in March and April, the ground turned muddy.

From Los Angeles Times • Feb. 27, 2023

Fluzone High Dose and Fluad are available only for people 65 and older.

From Washington Post • Dec. 12, 2022

“You stay, vait maybe vun, two day. Den goot like before. Dose rabbits up dere, all vait, vait for Meester ’Azel.

From "Watership Down: A Novel" by Richard Adams

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