dosage

noun

dos·​age ˈdō-sij 

1

a

: the addition of an ingredient or the application of an agent in a measured dose

b

: the presence and relative representation or strength of a factor or agent

2

a

: dose sense 2

b(1)

: the giving of a dose

(2)

: regulation or determination of doses

3

: an exposure to some experience in or as if in measured portions

Examples of dosage in a Sentence

Recent Examples on the Web

Strong dosages of antimicrobial drugs and aggressive management of brain swelling can help treat someone who has become infected. — Angel Saunders, PEOPLE, 2 Sep. 2026

Discuss supplements, including vitamins, minerals, and herbs, with a healthcare provider to ensure proper dosage and avoid interactions or toxicity. — Heather Jones, Verywell Health, 31 Aug. 2026

Symptoms can also shift over time, so doctors may use several medicines or dosages. — Jen Christensen, CNN Money, 29 Aug. 2026

What’s more, it’s already portioned out into the correct dosage, so there’s no need to worry about accidentally taking too little or too much. — Bestreviews, Mercury News, 26 Aug. 2026

Word History

First Known Use

1849, in the meaning defined at sense 1a

Rhymes for dosage

• overdosage

Kids Definition

dosage

noun

dos·​age ˈdō-sij 

1

a

: the giving of medicine in doses

b

: the amount of a single dose

2

: the addition or application of a substance in a measured dose

Medical Definition

dosage

noun

dos·​age ˈdō-sij 

1

a

: the addition of an ingredient or the application of an agent in a measured dose

b

: the presence and relative representation or strength of a factor or agent (as a gene)

2

a

: dose sense 1

b(1)

: the giving of a dose

(2)

: regulation or determination of doses