anti-radiation

adjective

an·​ti-ra·​di·​a·​tion
ˌan-tī-ˌrā-dē-ˈā-shən,
ˌan-tē- How to pronounce anti-radiation (audio)
variants or less commonly antiradiation
1
military : designed to destroy radar or other sources of radio transmissions
At the same time, anti-radiation missiles (i.e., missiles designed specifically to be used against radar and other electronic sites) were launched from the fighters and followed the radar beam to its source. Peter Hellman
2
medical : counteracting the harmful effects of radiation on the body
The only anti-radiation drug now being stockpiled is potassium iodide, which helps protect against the long-term risk of thyroid cancer. Penni Crabtree
anti-radiation pills

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Word History

Etymology

anti- + radiation

First Known Use

1925, in the meaning defined at sense 1

Time Traveler
The first known use of anti-radiation was in 1925

Dictionary Entries Near anti-radiation

Cite this Entry

“Anti-radiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-radiation. Accessed 30 Sep. 2022.

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Medical Definition

anti-radiation

adjective

an·​ti-ra·​di·​a·​tion -ˌrād-ē-ˈā-shən How to pronounce anti-radiation (audio)
variants also antiradiation
: counteracting the harmful effects of radiation on the body
The only anti-radiation drug now being stockpiled is potassium iodide, which helps protect against the long-term risk of thyroid cancer. Penni Crabtree, The San Diego Union-Tribune
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