post·​ir·​ra·​di·​a·​tion ˌpōst-i-ˌrā-dē-ˈā-shən How to pronounce postirradiation (audio)
: relating to or occurring in the period following irradiation
a postirradiation examination
postirradiation effects

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of postirradiation was in 1926

Dictionary Entries Near postirradiation

Cite this Entry

“Postirradiation.” Dictionary, Merriam-Webster, Accessed 24 May. 2024.

Medical Definition


post·​ir·​ra·​di·​a·​tion -ir-ˌād-ē-ˈā-shən How to pronounce postirradiation (audio)
: occurring after irradiation
postirradiation sarcoma
postirradiation adverb
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