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

In the nearby museum were 13 little amphoras, used to measure out the precise dosage of hemlock solution to execute such prisoners. —Sarah Manguso, Travel + Leisure, 2 May 2026

Contemporary research complicates these findings, necessarily accounting for differences in dosage, metabolism, and preparation, and unsettling scientific conclusions divorced from how sassafras was utilized in real, traditional contexts. —Kari Traylor, JSTOR Daily, 30 Apr. 2026

Compounding, in which pharmacies mix ingredients for specialized medicines or to copy a drug but at different dosages, has flourished as Americans chase more affordable options. —Mariam Sunny, USA Today, 30 Apr. 2026

Compounding, in which ​pharmacies mix ingredients for specialized medicines or to copy a drug but at different dosages, has flourished as Americans chase ‌more affordable ⁠options. —Reuters, NBC news, 30 Apr. 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