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

But unlike prescription medications, it is sold as a dietary supplement, meaning it is not regulated by the FDA for consistent dosage or purity. —Allison Palmer, Sacbee.com, 16 Apr. 2026

Under federal law, all applications for new active ingredients, new dosage instructions or new ways of administering medication must typically include a safety and effectiveness assessment if the product in question is to be used by pediatric patients. —Michelle Del Rey, USA Today, 16 Apr. 2026

Pharmaceutical companies are increasingly turning to artificial intelligence to speed up and simplify clinical development, with experts noting its use across a wide range of applications, including the discovery phase, formulation and dosage testing. —Sophie Brams, The Hill, 14 Apr. 2026

This means there is no official dosage range for turmeric supplements. —Patricia Weiser, Verywell Health, 9 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