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

The monthly out-of-pocket cost of existing injections and upcoming pills could range from $50 to $350 starting next year, depending on the dosage and insurance coverage a patient has. —Annika Kim Constantino, CNBC, 7 Nov. 2025

Under the deal, the monthly out-of-pocket cost of the drugs could range from $50 to around $350, depending on the dosage and insurance coverage. —Berkeley Lovelace Jr, NBC news, 6 Nov. 2025

The discounts can vary depending on the dosage, drug company officials said. —Ken Alltucker, USA Today, 6 Nov. 2025

Before starting a supplement, consult with your healthcare provider to determine the optimal dosage. —T'keyah Bazin, Verywell Health, 5 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