dose

1 of 2

noun

ˈdōs 

1

a

: the measured quantity of a therapeutic agent to be taken at one time

b

: the quantity of radiation administered or absorbed

2

: a portion of a substance added during a process

3

: an amount of something likened to a prescribed or measured quantity of medicine

a daily dose of hard work

a dose of scandal

4

: a gonorrheal infection

dose

2 of 2

verb

dosed; dosing

transitive verb

1

: to give a dose to

especially : to give medicine to

2

: to divide into doses

dose a medicine

3

: to treat with an application or agent

Examples of dose in a Sentence

Noun

I've been taking the same dose for five years.

a large dose of vitamin C

The drug is lethal even in small doses.

a large dose of sugar

a high dose of radiation

Her parents hoped a daily dose of hard work would keep her out of trouble.

He needs a good dose of reality.

Verb

Most patients are dosed at 50 milligrams per day.

Recent Examples on the Web

Noun

There were also four cases of skin cancer on the higher 50 mg dose, of which two were deemed not or unlikely related to the drug, and the other two had a medical history of skin cancer, Abivax said. —Elsa Ohlen, CNBC, 2 June 2026

Get your daily dose of entertainment news, celebrity updates, and what to watch with our EW Dispatch newsletter. —Derek Lawrence, Entertainment Weekly, 2 June 2026

Verb

To make monthly dosing possible, Pfizer and Amgen had to engineer new drugs that remain active in the body far longer. —Berkeley Lovelace Jr, NBC news, 6 June 2026

Detailed data from a mid-stage study offered further evidence that the obesity drug Pfizer acquired from the biotech Metsera could be dosed monthly. —Elaine Chen, STAT, 6 June 2026

Word History

Etymology

Noun

Middle English, from Middle French, from Late Latin dosis, from Greek, literally, act of giving, from didonai to give — more at date

First Known Use

Noun

15th century, in the meaning defined at sense 1a

Verb

1654, in the meaning defined at sense 1

Phrases Containing dose

• a taste/dose of someone's own medicine
• booster dose
• micro-dose

Rhymes for dose

• gros
• rowse
• adios
• adipose
• amylose
• bellicose
• cellulose
• centavos
• comatose
• diagnose
• grandiose
• granulose

Kids Definition

dose

1 of 2 noun

ˈdōs 

1

a

: the measured amount of a medicine to be taken at one time

b

: the quantity of radiation given or absorbed

2

: a portion of a substance added during a process

3

: an experience to which one is exposed

a dose of hard work

dose

2 of 2 verb

dosed; dosing

1

: to give medicine to

2

: to treat with something

Medical Definition

dose

1 of 2 noun

ˈdōs 

1

a

: the measured quantity of a therapeutic agent to be taken at one time

b

: the quantity of radiation administered or absorbed

2

: a gonorrheal infection

dose

2 of 2 verb

dosed; dosing

transitive verb

1

: to divide (as a medicine) into doses

2

: to give a dose to

especially : to give medicine to

3

: to treat with an application or agent

intransitive verb

: to take medicine

he is forever dosing but he gets worse