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

Young children can rapidly outgrow dosages for important medications or miss the chance to manage a condition with physical therapy before needing surgery. — Deidre McPhillips, CNN Money, 7 Oct. 2026

This procedure will ensure that each patient’s drug dosage, allergy, and its effectiveness with earlier medications are accounted for. — Esha Desai, Hartford Courant, 4 Oct. 2026

Experience and further study may lead legislators to gradually migrate to allowing retail marijuana, subject to strict regulation as to the type and dosages of product sold. — Mary Ramsey, Charlotte Observer, 2 Oct. 2026

This article was revised to correct the initial Zyprexa dosage given to Marjorie Tingley. — Jordan Rau, NPR, 30 Sep. 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