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Showing results for radioactive. Search instead for radionuclides.
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:

Prison bosses later faced formal censure proceedings after inmates and staff were exposed to dangerous levels of the naturally occurring radioactive gas.

From BBC ● Sep. 13, 2026

Researchers there used biological accelerator spectrometry, or BioAMS, to detect radioactive markers at extremely small concentrations.

From Science Daily ● Aug. 22, 2026

That radioactive spider that transformed Peter Parker into Spider-Man could have bitten the class moron just as easily.

From Salon ● Aug. 16, 2026

Round and round it goes, turning the league radioactive.

From The Wall Street Journal ● Aug. 14, 2026

His hand broke the surface; gray particles trickled and hurried down, fragments of plaster resembling the radioactive dust outside.

From "Do Androids Dream of Electric Sheep?" by Philip K. Dick



Vocabulary lists containing radioactive


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