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

Residue On Clothing One of the most important considerations when using fabric softener is proper dosage. — Mary Marlowe Leverette, Southern Living, 2 July 2026

But the dosage change didn’t immediately raise any red flags. — Beth Mole, ArsTechnica, 2 July 2026

For those in the program, the cost is $50 per month, regardless of dosage. — Ali Swenson, Los Angeles Times, 1 July 2026

This is a steep discount compared with the drugs’ cash-pay prices, which run between $149 and $449 per month, depending on the medication and dosage. — Tami Luhby, CNN Money, 29 June 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