Incubation
/ˌɪŋkjuˈbeɪʃən/
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Definition
(noun) Sitting on eggs for the purpose of hatching young; a brooding on, or keeping warm, to develop the life within, by any process.
Sentence Examples
What is the incubation period?
The incubation period can take up to two weeks.
CEFR Practice Quiz
The ____ period for the flu is usually about two days before any symptoms begin to appear.