x-ir·​ra·​di·​a·​tion ˌeks-i-ˌrā-dē-ˈā-shən How to pronounce x-irradiation (audio)
often capitalized

Word History

First Known Use

1927, in the meaning defined above

Time Traveler
The first known use of x-irradiation was in 1927

Dictionary Entries Near x-irradiation

Cite this Entry

“X-irradiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/x-irradiation. Accessed 12 Apr. 2024.

Medical Definition


x-ir·​ra·​di·​a·​tion ˈeks- How to pronounce x-irradiation (audio)
often capitalized X
x-irradiate transitive verb
x-irradiated; x-irradiating
often capitalized X
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