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

Melatonin Safety With Children Children are at risk of melatonin overdose, both from unsupervised ingestion and from higher dosages in the product than indicated on the label. —Heather Jones, Verywell Health, 3 Dec. 2025

The previous price for higher-dosage vials was $499. —Ken Alltucker, USA Today, 1 Dec. 2025

The effects of supplements vary from person to person and depend on many variables, including type, dosage, frequency of use, and interactions with current medications. —Huma Sheikh, Health, 30 Nov. 2025

The linebacker gained another dosage of appreciation for his situation, too, in the week of his diagnosis. —Luca Evans, Denver Post, 29 Nov. 2025

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