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Showing results for radioactivity. Search instead for radio+activity.
Definitions

radioactivity

[rey-dee-oh-ak-tiv-i-tee] / ˌreɪ di oʊ ækˈtɪv ɪ ti /


NOUN
radiation
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.

Her work expanded beyond stories connected to Iran, including "Radioactive", a 2019 biopic about pioneering radioactivity researcher and Nobel-prize winner Marie Curie, starring Rosamund Pike.

From Barron's • Jun. 4, 2026

It also has bet on aneutronic fuels, which are seen as cleaner but require higher temperatures, while competitors have relied on neutronic fuels associated with more radioactivity but lower temperatures.

From MarketWatch • May 18, 2026

There, Erikson teased out the stealthy, almost sinister peculiarities of modern man-made hazards, like radioactivity and toxicity, and their special, traumatic effects.

From The Wall Street Journal • Dec. 18, 2025

"Three hours before the scan, we inject patients with a tiny amount of radioactivity," explained consultant radiologist, Dr Randeep Kulshrestha.

From BBC • Feb. 26, 2025

As their report in the French journal Comptes Rendus made plain, they had discovered artificial radioactivity.

From "Big Science" by Michael Hiltzik




Vocabulary lists containing radioactivity


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