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Showing results for radioactive. Search instead for radioaktive.
Definitions

radioactive

[ray-dee-oh-ak-tiv] / ˌreɪ di oʊˈæk tɪv /
ADJECTIVE
active
Synonyms


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.

See Examples For:

This technique works by giving molecules a detectable chemical signature without making them radioactive.

From Science Daily ● Nov. 9, 2026

These naturally occurring radioactive forms of elements decay at predictable rates, making them valuable tools for identifying events deep in Earth's environmental history.

From Science Daily ● Oct. 29, 2026

Despite decades of research, scientists still do not fully understand why radioactive particles from Chornobyl break down at different speeds.

From Science Daily ● Oct. 23, 2026

Wind can then carry these radioactive particles through the environment, where inhaling them presents serious health hazards.

From Science Daily ● Oct. 23, 2026

And in the early hours of Tuesday morning, the favorable winds that had been sweeping the radioactive gases out to sea had shifted, carrying radioactive cesium inland.

From "Meltdown" by Deirdre Langeland


Vocabulary lists containing radioactive

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