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Definitions

radioactive

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


Example Sentences

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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

This suggests that at least some of the radioactive debris produced by the Chornobyl disaster is more chemically stable than researchers previously believed.

From Science Daily ● Oct. 23, 2026

The relatively small sample means the findings cannot yet establish how radioactive particles behave throughout the entire contaminated region.

From Science Daily ● Oct. 23, 2026

Even with substantially more data, predicting the long term dangers of Chornobyl's radioactive debris would remain challenging.

From Science Daily ● Oct. 23, 2026

If left alone, the groundwater would continue to flow toward the sea, carrying radioactive isotopes from the reactors with it, so workers pumped hundreds of gallons of water from the reactor basements every day.

From "Meltdown" by Deirdre Langeland


Vocabulary lists containing radioactive

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