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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

She also says with the recent Artemis II mission and future projects going deeper into space than ever before, there is also higher chance of radiation exposure and solar flares from the sun.

From BBC • Apr. 14, 2026

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

From Science Daily • Apr. 10, 2026

Platts said while most people associate radiation with cancer risk, it also can impact the central nervous system and blood circulation.

From Barron's • Apr. 10, 2026

In an emergency, the containment should trap gases that might escape from the inner chambers, but we rely on the reactor vessel to keep a nuclear reaction—and the radiation it produces—contained.

From "Meltdown" by Deirdre Langeland




Vocabulary lists containing radiation