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Definitions

radiation

[rey-dee-ey-shuhn] / ˌreɪ diˈeɪ ʃən /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The journey alone - seven to nine months, through intense radiation, and with no possibility of rescue - presents challenges that dwarf anything involved in getting to the Moon.

From BBC • Apr. 10, 2026

Detecting this radiation is one of the main strategies scientists use to search for dark matter.

From Science Daily • Apr. 10, 2026

"Our prediction is that we'll see a lot more galactic cosmic radiation... which is from supernovas and is everywhere," versus radiation coming from the Sun, he said.

From Barron's • Apr. 10, 2026

Fuel shortages are keeping doctors and nurses away from work and hospitals are canceling surgeries and delaying vaccines for children and life-saving treatments such as kidney dialysis and radiation therapy.

From Los Angeles Times • Apr. 1, 2026

Dangerous radiation can’t be seen, felt, smelled, or heard, making it a particularly creepy hazard.

From "Meltdown" by Deirdre Langeland




Vocabulary lists containing radiation