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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.

Radioactivity levels in the flounder and abalone rose while they were in the treated water but fell to normal levels within days after they were returned to regular seawater.

From Seattle Times • Mar. 9, 2023

Radioactivity is a quantum process, so before the box is opened, the story goes, the atom has both decayed and not decayed, leaving the unfortunate cat in limbo—a so-called superposition between life and death.

From Scientific American • Aug. 17, 2020

Radioactivity depends on the nucleus and not the atom or its chemical state.

From Textbooks • Aug. 12, 2015

Radioactivity in one of 24 cartridges, which was expected to last for a few weeks, had already reached its limit within five hours, he said.

From Salon • Jun. 18, 2011

Radioactivity from the accident can be found in trace amounts as far away as California and Oregon.

From "Meltdown" by Deirdre Langeland




Vocabulary lists containing radioactivity


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