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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.

That process releases huge amounts of energy, no carbon emissions and limited radioactivity.

From The Wall Street Journal • Dec. 18, 2025

The Burevestnik’s radioactivity could make it easy to detect.

From The Wall Street Journal • Oct. 28, 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

For every following year, there is a little less radioactivity in newly formed cells, which means that they can be 'dated'.

From Science Daily • Nov. 21, 2024

Of the remaining counts, a fraction come from natural radioactivity in the walls of the cave.

From "Cosmos" by Carl Sagan




Vocabulary lists containing radioactivity