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

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

Magnesium absorption decreases with higher dosages. —Trang Tran, Verywell Health, 7 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

Like all drugs, the dosage matters. —Janet Loehrke, USA Today, 28 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