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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.

When buried, these grains trap electrons from natural radiation.

From Science Daily • Apr. 18, 2026

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

"Astronauts' immune systems could be affected from the radiation, which can lead to viruses, such as glandular fever, when they come back," Mackaill says.

From BBC • Apr. 14, 2026

The US space agency installed radiation sensors on the Orion capsule and took blood samples of the astronauts before takeoff to compare with samples post-trip.

From Barron's • Apr. 10, 2026

But the second, which aimed to open the valve on the torus, was pushed back by heat and radiation.

From "Meltdown" by Deirdre Langeland




Vocabulary lists containing radiation