dose

noun
\ˈdōs \

Definition of dose 

(Entry 1 of 2)

1a : the measured quantity of a therapeutic agent to be taken at one time

b : the quantity of radiation administered or absorbed

2 : a portion of a substance added during a process

3 : an amount of something likened to a prescribed or measured quantity of medicine a daily dose of hard work a dose of scandal

4 : a gonorrheal infection

dose

verb
dosed; dosing

Definition of dose (Entry 2 of 2)

transitive verb

1 : to give a dose to especially : to give medicine to

2 : to divide into doses dose a medicine

3 : to treat with an application or agent

Examples of dose in a Sentence

Noun

I've been taking the same dose for five years. a large dose of vitamin C The drug is lethal even in small doses. a large dose of sugar a high dose of radiation Her parents hoped a daily dose of hard work would keep her out of trouble. He needs a good dose of reality.

Verb

Most patients are dosed at 50 milligrams per day.
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Recent Examples on the Web: Noun

The question for the new drug will be: Does the prospect of a fast-acting, one-dose treatment override skepticism over flu drugs? Helen Branswell, STAT, "A flu drug — shown to reduce the duration of symptoms — could upend treatment in U.S.," 27 June 2018 While rabies can be fatal once clinical signs appear, it can be prevented through timely medical treatment that includes administration of one dose of immune globulin (antibodies) and four doses of vaccine over two weeks. Courant Community, "Community News For The Putnam-Killingly Edition," 12 June 2018 For girls and women, 45.7 percent had at least one dose of the vaccine in 2015 or 2016. Consumer Reports, Washington Post, "HPV infection rates remain high and many adolescents still aren’t vaccinated, study says," 11 June 2018 Potency and purity vary: One dose may produce a euphoric high, while another kills immediately. Fortune, "Deadly Chinese Fentanyl Is Creating a New Era of Drug Kingpins," 6 June 2018 Does two coffees plus one dose of foot lotion a day keep me under the limit? Meaghan O'connell, The Cut, "Pregnancy-Specific Beauty Products Might Seem Ridiculous," 1 June 2018 Treatment guidelines vary by country, but the CDC, WHO, and governmental agency Public Health England (PHE) all recommend a dual-therapy of antibiotics: one injection of ceftriaxone and one oral dose of azithromycin. Carolyn L. Todd, SELF, "How Worried Do You Really Need to Be About So-Called ‘Super Gonorrhea'?," 31 May 2018 McPherson had been taking one dose of Bupropion, but had taken two on the day of the incident, according to testimony. Heather Nolan, NOLA.com, "Woman sentenced to probation for brandishing bat, gun at Mid-City Yacht Club customers," 31 May 2018 Some opioids used to adulterate heroin last longer than Narcan, the drug used to stop overdoses, which means users may need multiple Narcan injections to survive one bad dose. Cat Ferguson, The Verge, "Predatory behavior runs rampant in Facebook’s addiction support groups," 21 May 2018

Recent Examples on the Web: Verb

The woman clearly had either a super-high tolerance or a keen eye for dosing. Marian Bull, GQ, "Stoner Food Has Gotten Fully Baked," 7 June 2018 Unfortunately, 20 percent of public pools and hot tubs aren’t properly dosed with disinfectant. Fiza Pirani, ajc, "CDC warns pools, hot tubs and water parks are hotbed for disease outbreaks," 22 May 2018 If that product is approved, American scientists will finally have a relatively easy, legal way to test the effects of dosed THC for many disorders. Fred Vogelstein, WIRED, "The FDA Approved Its First Cannabis Drug. What Next?," 27 June 2018 Strangers offered strangers swigs from jugs of wine or juice, many of which turned out to be dosed with LSD. James Sullivan, BostonGlobe.com, "Recalling Altamont as a crime story," 12 July 2018 But clearly some riders are still dosing themselves with their own blood. Marc Peruzzi, Outside Online, "Stop Boycotting Pro Cycling," 6 July 2018 Usage is much lower in most countries in the European Union, which has banned dosing healthy animals since 2006. Fortune, "Why Washing Your Hands Too Much Could Make You Sick," 12 June 2018 When dosed right, that compound might also interact with our own inner chemistry to beneficial effect — a deterrent turned treatment, concocted by an assembly line of enzymes. Eric Boodman, STAT, "Will launching plants into orbit yield new medicines?," 22 June 2018 The report showed that Minneapolis police officers and trained EMT personnel at the scenes of emergencies have been dosing suspects with ketamine for non-medical reasons. Michael Harriot, The Root, "Minneapolis Cops Secretly Used 'Date Rape Drug' on Suspects for Years: Report," 18 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dose.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dose

Noun

15th century, in the meaning defined at sense 1a

Verb

1654, in the meaning defined at sense 1

History and Etymology for dose

Noun

Middle English, from Middle French, from Late Latin dosis, from Greek, literally, act of giving, from didonai to give — more at date

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Phrases Related to dose

a taste/dose of someone's own medicine

Statistics for dose

Last Updated

9 Oct 2018

Look-up Popularity

Time Traveler for dose

The first known use of dose was in the 15th century

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More Definitions for dose

dose

noun

English Language Learners Definition of dose

 (Entry 1 of 2)

: the amount of a medicine, drug, or vitamin that is taken at one time

: an amount of a substance

: an amount of something that a person experiences

dose

verb

English Language Learners Definition of dose (Entry 2 of 2)

: to give a dose of medicine to (someone or something)

: to give an amount of a substance to (someone or something)

: to add something to (something)

dose

noun
\ˈdōs \

Kids Definition of dose

 (Entry 1 of 2)

: a measured amount to be used at one time a dose of medicine

dose

verb
dosed; dosing

Kids Definition of dose (Entry 2 of 2)

: to give medicine to

dose

noun
\ˈdōs \

Medical Definition of dose 

(Entry 1 of 2)

1a : the measured quantity of a therapeutic agent to be taken at one time

b : the quantity of radiation administered or absorbed

2 : a gonorrheal infection

dose

verb
dosed; dosing

Medical Definition of dose (Entry 2 of 2)

transitive verb

1 : to divide (as a medicine) into doses

2 : to give a dose to especially : to give medicine to

3 : to treat with an application or agent

intransitive verb

: to take medicine he is forever dosing but he gets worse

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Comments on dose

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