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

Their on-site dosage calculator tool, which determines the optimal treatment time for a user, directly prompted me to reach out to them. —John Hall, Forbes.com, 10 Aug. 2025

But oxytocin nasal sprays aren’t ready for prime time because more research needs to be done to determine efficacy, the right context or conditions for using it, and how to control the dosage, Che said. —The Washington Post, San Diego Union-Tribune, 5 Aug. 2025

Look for a product labeled for powdery mildew and follow the label instructions for dosage and safe use. —Leanne Potts, Better Homes & Gardens, 8 July 2025

There is no specific dosage guidance for this type, but general magnesium guidelines can offer a reference point. —Sohaib Imtiaz, Verywell Health, 29 July 2025

Word History

First Known Use

circa 1867, 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