D defs.my
Entry 5 senses Webster, 1913

Incubation

/ĭngˌ-kyo͞ob-āsh'-ən/ · In·cu·ba·tion · IPA /ɪnkjuˈbeɪʃən/
01 n. A sitting on eggs for the purpose of hatching young; a brooding on, or keeping warm, (eggs) to develop the life within, by any process.
  1. 1.
    A sitting on eggs for the purpose of hatching young; a brooding on, or keeping warm, (eggs) to develop the life within, by any process.
  2. 2.
    The development of a disease from its causes, or its period of incubation. (See below.)(Med.)
  3. 3.
    A sleeping in a consecrated place for the purpose of dreaming oracular dreams.
  4. 4.
    The maintenance (of a living organism, such as microorganisms or a premature baby) in appropriate conditions, such as of temperature, humidity, or atmospheric composition, for growth.
  5. 5.
    The gradual development in some interior environment, until fully formed; as, the incubation time for developing a new drug may be longer than ten years from its first discovery.
Phrases & compounds
Period of incubation — the period which elapses between exposure to the causes of an infectious disease and the attack resulting from it; the time during which an infective agent must grow in the body before producing overt symptoms of disease.