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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: incubationmed the time between exposure to an infectious disease and the appearance of the first signs or symptoms

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"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

But he warned there is a long way to go as the eggs are "only around two weeks into incubation" and a curlew's incubation period is around 28 days.

From BBC May 31, 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

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