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

Nopal supplements are sold in dosages ranging from 450 mg to 3,000 mg, but there is not enough evidence to determine what is a safe amount. —Barbie Cervoni, Verywell Health, 22 Oct. 2025

Fiber supplements should be slowly introduced and dosage gradually increased. —Kaan Ozcan, NBC news, 13 Oct. 2025

Those who got a high dosage of AMT-130 experienced 75% less disease progression compared to people who received only the standard of care, a study press release reported. —Melissa Rudy, FOXNews.com, 8 Oct. 2025

But the American Academy of Pediatrics (AAP) says that babies under three months old should only take it under a physician’s instructions and at a dosage based on their weight. —Tanya Lewis, Scientific American, 30 Sep. 2025

Word History

First Known Use

circa 1867, 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