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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.

In the 1960s Stephen Hawking demonstrated the Big Bang in theory, while Arno Penzias and Robert Wilson had detected the background radiation that proved decisive evidence of the event.

From The Wall Street Journal • Apr. 16, 2026

In some models, when two of these particles meet, they annihilate and produce high-energy radiation such as gamma rays.

From Science Daily • Apr. 10, 2026

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

With the Artemis II astronauts spending just 10 days in space, radiation is not a major concern, but the danger could rise dramatically with longer stays on the Moon.

From Barron's • Apr. 10, 2026

There’s something about radiation that makes it uniquely terrifying.

From "Meltdown" by Deirdre Langeland




Vocabulary lists containing radiation