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Showing results for radioactive.
Definitions

radioactive

[rey-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.

The nonrenewable gas is produced by radioactive decay deep under the earth and escapes into space once released.

From The Wall Street Journal • Mar. 31, 2026

Amundsen’s work is in keeping with the rest of the show, which fills two halls at the liberal arts school with visual and multimedia works that probe the persistence of radioactive materials.

From Los Angeles Times • Mar. 27, 2026

The license specifically applies to Atomic Alchemy, a wholly-owned subsidiary dealing in the production of radioactive isotopes.

From Barron's • Mar. 18, 2026

Herrera was certainly the less radioactive candidate of the two.

From Slate • Mar. 9, 2026

Seventeen crew members who had ridden in the helicopters had to be decontaminated, scrubbed from head to foot to remove any radioactive particles.

From "Meltdown" by Deirdre Langeland