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photodissociation

[ foh-toh-di-soh-see-ey-shuhn, -shee- ]
/ ˌfoʊ toʊ dɪˌsoʊ siˈeɪ ʃən, -ʃi- /
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noun

the dissociation or breakdown of a chemical compound by radiant energy.

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Origin of photodissociation

First recorded in 1920–25; photo- + dissociation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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