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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.

The incubation period ranges from 2 to 21 days.

From Science Daily • Jun. 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

The Centers for Disease Control and Prevention requested passengers stay at the Nebraska facility through May 31, halfway through the incubation period for the disease.

From The Wall Street Journal • May 29, 2026

However, the virus has an incubation period of several weeks, meaning more cases from the ship's occupants could emerge in the future, Tedros warned.

From Barron's • May 18, 2026

As to whether their blood would glow tomorrow or the next day or the day after that, only time would tell, but he and Geisbert were climbing out of the incubation period.

From "The Hot Zone" by Richard Preston

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