un·​ir·​ra·​di·​at·​ed ˌən-i-ˈrā-dē-ˌā-təd How to pronounce unirradiated (audio)
: not treated, prepared, or altered by exposure to radiation : not irradiated
unirradiated cells
unirradiated plutonium

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of unirradiated was in 1926

Dictionary Entries Near unirradiated

Cite this Entry

“Unirradiated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unirradiated. Accessed 24 Jun. 2024.

Medical Definition


un·​ir·​ra·​di·​at·​ed ˌən-ir-ˈād-ē-ˌāt-əd How to pronounce unirradiated (audio)
: not having been exposed to radiation
unirradiated lymphocytes
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