Definition of preexposure in English:

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Pronunciation: /ˌprēikˈspōZHər/


Previous or premature exposure to something.
Example sentences
  • Four groups received preexposure to the sage-flavored diet.
  • Because we did not have neurobehavioral test results preexposure, the reasonable alternative was to calculate expected values.
  • We kept only yearling males to minimize preexposure to the pathogens used in this study.


Occurring or existing before exposure, especially exposure to a disease or infection: preexposure vaccination
More example sentences
  • Smallpox vaccination is not recommended for children in a pre-exposure situation because of the risk of adverse reactions.
  • The CDC is not recommending pre-exposure vaccination for unexposed veterinarians, veterinary staff, or animal control officers, unless such persons are involved in field investigations.
  • If you have already been vaccinated before being bitten (the pre-exposure vaccine), two doses of the rabies vaccine will be given: one at the time of the bite, and one 3-7 days later.

For editors and proofreaders

Syllabification: pre·ex·po·sure

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