photolysis

noun
pho·​tol·​y·​sis | \ fō-ˈtä-lə-səs How to pronounce photolysis (audio) \

Definition of photolysis

: chemical decomposition by the action of radiant energy (such as light)

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Other Words from photolysis

photolytic \ ˌfō-​tə-​ˈli-​tik How to pronounce photolysis (audio) \ adjective
photolytically \ ˌfō-​tə-​ˈli-​ti-​k(ə-​)lē How to pronounce photolysis (audio) \ adverb

Examples of photolysis in a Sentence

Recent Examples on the Web But sunlight in the upper atmosphere is continuously breaking down the gas by photolysis, so some process must be slowly replacing it. Davide Castelvecchi, Scientific American, 16 Dec. 2010

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photolysis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of photolysis

1903, in the meaning defined above

History and Etymology for photolysis

New Latin

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Time Traveler for photolysis

Time Traveler

The first known use of photolysis was in 1903

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Dictionary Entries Near photolysis

photolofting

photolysis

photolyze

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Statistics for photolysis

Cite this Entry

“Photolysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photolysis. Accessed 27 Sep. 2021.

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More Definitions for photolysis

photolysis

noun
pho·​tol·​y·​sis | \ fō-ˈtäl-ə-səs How to pronounce photolysis (audio) \
plural photolyses\ -​ˌsēz How to pronounce photolysis (audio) \

Medical Definition of photolysis

: chemical decomposition by the action of radiant energy — compare radiolysis

Other Words from photolysis

photolytic \ ˌfōt-​ᵊl-​ˈit-​ik How to pronounce photolysis (audio) \ adjective
photolytically \ -​i-​k(ə-​)lē How to pronounce photolysis (audio) \ adverb

More from Merriam-Webster on photolysis

Britannica.com: Encyclopedia article about photolysis

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