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
Peter Hellman2
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
Penni Crabtreeanti-radiation pills
Examples of anti-radiation in a Sentence
Recent Examples on the Web
In addition to the HIMARS boost, the latest shipment includes unmanned aerial systems, counter-drone systems, high-speed anti-radiation missiles, armored and light tactical vehicles, as well as small arms munitions, training and services for Ukraine's Armed Forces.
—Stephan Pechdimaldji, Newsweek, 13 Dec. 2024
Gabriela Hearst, for example, has received credibility and attention for using anti-radiation fabrics and bio-plastics packaging that decompose in 24 weeks, yet the craftmanship can be compared to icons like Hermès.
—London Business School, Forbes, 26 Sep. 2024
One is a makeshift operation in the city’s metro stations, the other is a Soviet-era anti-radiation shelter.
—Ryan Bergeron, CNN, 22 Feb. 2024
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Stephan Pechdimaldji, Newsweek, 13 Dec. 2024
Gabriela Hearst, for example, has received credibility and attention for using anti-radiation fabrics and bio-plastics packaging that decompose in 24 weeks, yet the craftmanship can be compared to icons like Hermès.
—London Business School, Forbes, 26 Sep. 2024
One is a makeshift operation in the city’s metro stations, the other is a Soviet-era anti-radiation shelter.
—Ryan Bergeron, CNN, 22 Feb. 2024
Cite this Entry
“Anti-radiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-radiation. Accessed 4 Nov. 2025.
Copy CitationMedical Definition
anti-radiation
adjective
an·ti-ra·di·a·tion
-ˌrād-ē-ˈā-shən 
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
Penni Crabtree, The San Diego Union-TribuneLove words? Need even more definitions?
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