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

Instead of overdosing fields with fertilizer—which is cheap—to hedge against missing out on a boom crop, farmers might be able to target and tailor their fertilizer dosage to areas that need it most, in turn reducing the environmental impact of overfertilization. —Ali Bouzari, Bon Appétit, 13 Feb. 2025

If Benadryl is recommended for your child, ask for dosage instructions. —Jessica Swirble, Verywell Health, 11 Feb. 2025

The medications may have side effects such as dizziness or fatigue or need dosage adjustments requiring monitoring and communication with their health care team. —Michael Merschel/ American Heart Association News, Boston Herald, 9 Feb. 2025

An anesthesiologist warned that his obesity could complicate IV access and proper drug dosage. —Amir Daftari, Newsweek, 31 Jan. 2025

Word History

First Known Use

circa 1867, in the meaning defined at sense 1a

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