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

The researchers will now investigate its efficacy in breast cancer, pancreatic cancer, melanoma and other malignancies, and fine tune delivery and dosage methods. —New Atlas, 16 Dec. 2025

Do not stop taking any prescribed medications or change their dosages without consulting a healthcare provider. —Corey Whelan, Verywell Health, 15 Dec. 2025

Proteins appear or disappear, with little control over dosage or location. —Aamir Khollam, Interesting Engineering, 12 Dec. 2025

The ideal dosages of magnesium and potassium—whether taken combined or individually—vary based on your medical conditions, medications, and degree of magnesium or potassium deficiency. —Ruth Jessen Hickman, Health, 11 Dec. 2025

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