pho·​to·​dis·​in·​te·​gra·​tion ˌfō-tō-dis-ˌin-tə-ˈgrā-shən How to pronounce photodisintegration (audio)
: disintegration of the nucleus of an atom caused by absorption of radiant energy (such as light)
photodisintegrate transitive verb

Word History

First Known Use

1935, in the meaning defined above

Time Traveler
The first known use of photodisintegration was in 1935

Dictionary Entries Near photodisintegration

Cite this Entry

“Photodisintegration.” Dictionary, Merriam-Webster, Accessed 31 Jan. 2023.

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