incubate

verb

in·​cu·​bate ˈiŋ-kyə-ˌbāt How to pronounce incubate (audio)
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 adjective
incubatory
ˈiŋ-kyə-bə-ˌtȯr-ē How to pronounce incubate (audio)
-ˌbā-tə-rē
ˈin-
adjective

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Both male and female parents share roles and switch duties, including foraging for food, incubating the eggs and rearing the chicks, which tend to start fledging in June. Adriana Pérez, Chicago Tribune, 4 June 2025 Which is a very novel concept, because most things are incubated in the States or maybe overseas in the U.K. H. Alan Scott, MSNBC Newsweek, 28 May 2025 In the quarter-century since, the genres expanded to include crime shows (The Sopranos, Breaking Bad), political shows (The West Wing, The Crown), and shows about the moral decay of the American character as incubated in Manhattan office towers (Mad Men, Succession). Kathryn Vanarendonk, Vulture, 17 May 2025 Sensical will use its proprietary content evaluation standard, incubated within Common Sense Networks, to curate the music initiative as it has been similarly utilized to evaluate content on YouTube and TikTok KidsMode. Billboard Staff, Billboard, 13 May 2025 See All Example Sentences for incubate

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

Time Traveler
The first known use of incubate was in 1641

Browse Nearby Words

Cite this Entry

“Incubate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incubate. Accessed 30 Jun. 2025.

Kids Definition

incubate

verb
in·​cu·​bate ˈiŋ-kyə-ˌbāt How to pronounce incubate (audio)
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- How to pronounce incubate (audio)
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

More from Merriam-Webster on incubate

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