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

There’s no standardized dose, and studies have tested dosages ranging from 50 to 900 mg daily,1 so talk to a healthcare provider before starting the supplement. —Abby Norman, Verywell Health, 9 Mar. 2026

Many have gotten around that by tweaking dosages or adding ingredients so that their products are considered different enough from the brand-name drugs. —Naomi Kresge, Bloomberg, 9 Mar. 2026

The team called for more high-quality clinical trials examining long-term outcomes, optimal dosages and differences between collagen sources, such as marine, bovine and plant-based alternatives. —Deirdre Bardolf, FOXNews.com, 5 Mar. 2026

In addition to toxic dosages, concerns with IV drips include infection. —Cindy Krischer Goodman, Sun Sentinel, 5 Mar. 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