incubation period

American  

noun

Pathology.

1. the period between infection and the appearance of signs of a disease.

---

incubation period British  

noun

1. Sometimes shortened to: incubation. med the time between exposure to an infectious disease and the appearance of the first signs or symptoms

---

incubation period Cultural  

1. The amount of time it takes for symptoms of a disease to appear after an individual is infected (see infection) with the pathogen that causes the disease.

---

Etymology

Origin of incubation period

First recorded in 1875–80

---

Example Sentences

See Examples For:

incubation period

But the disease can spread quickly because the incubation period is very short—symptoms can appear within a day and up to a week later—and an infected person’s cough can be teeming with bacteria.

From The Wall Street Journal ● Oct. 6, 2026

"The incubation period is two to 21 days. A person might develop symptoms later at home, but we'll be able to track them down," Matwa said, optimistically.

From Barron's ● Aug. 22, 2026

Given the weeklong average incubation period, Michigan data suggests that:

From Los Angeles Times ● Aug. 6, 2026

Tracing its source poses particular difficulties for two reasons: an incubation period of up to two weeks before symptoms first appear, and lack of a genetic fingerprint, unlike, say, E. coli.

From Slate ● Jul. 22, 2026

When a. filovirus begins to amplify itself in a human being, the incubation period is from three to eighteen days, while the number of virus particles climbs steadily in the bloodstream.

From "The Hot Zone" by Richard Preston

Random Word

Spin the wheel and learn a new word!

---