alpha decay

noun

Definition of alpha decay

: the radioactive decay of an atomic nucleus by emission of an alpha particle

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First Known Use of alpha decay

1931, in the meaning defined above

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Time Traveler for alpha decay

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The first known use of alpha decay was in 1931

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Dictionary Entries Near alpha decay

Alpha Cygni

alpha decay

Alpha Draconis

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Statistics for alpha decay

Cite this Entry

“Alpha decay.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alpha%20decay. Accessed 21 Oct. 2021.

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