radioactive decay
(ra-di-o-ac-tive-de-cay)
7 syllables
Definition
noun. the process by which unstable atomic nuclei lose energy by emitting radiation.
Example Sentence
The scientist studied the process of radioactive decay in certain elements.
More Example Sentences
The process releases energy and particles.
Synonyms
nuclear decay; radioactive disintegration; transmutation
Antonyms
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radioactive decay
