incubate

verb

in·​cu·​bate ˈiŋ-kyə-ˌbāt 

ˈin-

incubated; incubating

transitive verb

1

a

: to sit on (eggs) so as to hatch by the warmth of the body

b

: to maintain (something, such as an embryo or a chemically active system) under conditions favorable for hatching, development, or reaction

2

: to cause or aid the development of

incubate an idea

intransitive verb

1

: to sit on eggs

2

: to undergo incubation : develop

incubative

ˈiŋ-kyə-ˌbā-tiv 

ˈin-

adjective

incubatory

ˈiŋ-kyə-bə-ˌtȯr-ē 

-ˌbā-tə-rē

ˈin-

adjective

Synonyms

• brood
• hatch
• set
• sit

Examples of incubate in a Sentence

The female bird incubates the eggs.

Researchers incubated the cells in the laboratory.

The cultures must incubate for five more days.

The virus will incubate in the body for several days before the patient experiences any symptoms.

Recent Examples on the Web

That ambition underpins the firm’s latest project: the new home of the Bushwick Starr, a beloved New York City theater dedicated to incubating emerging talent and engaging community. —Hannah Martin, Architectural Digest, 15 Oct. 2024

When applied directly to a fabric and left to incubate, the bacteria cells produce a compound in a spectrum ranging from reds and pinks to blues and purples—in eye-catching patterns that evoke the grain of polished marble. —Delle Chan, WIRED, 3 Oct. 2024

These complex structures, sometimes meticulously assembled for more than a month, tend to be used for the express purposes of incubating eggs and raising young. —Carlyn Kranking, Smithsonian Magazine, 16 Sep. 2024

But the people who did the actual hands-on work of incubating the eggs and hand-feeding the chicks around the clock were a dedicated team of aviculturists and bird keepers. —Grrlscientist, Forbes, 25 Sep. 2024

Word History

Etymology

Latin incubatus, past participle of incubare, from in- + cubare to lie

First Known Use

1641, in the meaning defined at transitive sense 1a

Kids Definition

incubate

verb

in·​cu·​bate ˈiŋ-kyə-ˌbāt 

ˈin-

incubated; incubating

1

: to sit on eggs to hatch them by warmth

2

: to maintain (as bacteria or a chemically active system) under conditions good for development or reaction

3

: to go through the process of incubation

Medical Definition

incubate

verb

in·​cu·​bate ˈiŋ-kyə-ˌbāt, ˈin- 

incubated; incubating

transitive verb

1

: to maintain (as eggs, embryos of animals, or bacteria) under prescribed and usually controlled conditions favorable for hatching or development especially in an incubator

2

: to maintain (a chemically active system) under controlled conditions for the development of a reaction

intransitive verb

: to undergo incubation

the cultures incubated for five days