ra·​di·​ol·​y·​sis | \ ˌrā-dē-ˈä-lə-səs How to pronounce radiolysis (audio) \

Definition of radiolysis

: chemical decomposition by the action of radiation

Other Words from radiolysis

radiolytic \ ˌrā-​dē-​ə-​ˈli-​tik How to pronounce radiolysis (audio) \ adjective

Examples of radiolysis in a Sentence

Recent Examples on the Web Now a study published in Astrobiology contends that radiolysis could have powered microbial life in the Martian subsurface. Nikk Ogasa, Scientific American, 19 July 2021 Scientists have previously studied Mars radiolysis, but this marks the first estimate using Martian rocks to quantify the planet’s subsurface habitability. Nikk Ogasa, Scientific American, 19 July 2021 Sherwood Lollar, Lin, Onstott and their collaborators proposed in 2006 that the microbial communities under South Africa and Canada derived the energy for their survival from hydrogen produced through radiolysis. Quanta Magazine, 31 May 2021 That process, water radiolysis, was first observed in Marie Curie’s laboratory at the beginning of the 20th century, when researchers realized that solutions of radium salts generated bubbles of hydrogen and oxygen. Quanta Magazine, 31 May 2021 So began their long quest to unpack how important radiolysis might be to life in natural settings. Quanta Magazine, 31 May 2021 Radiolysis could also help create food for these aliens. Margi Murphy, Fox News, 24 May 2017 Lifeforms which have formed through radiolysis can be found closer to home. Margi Murphy, Fox News, 24 May 2017

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

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First Known Use of radiolysis

1948, in the meaning defined above

History and Etymology for radiolysis

New Latin

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Time Traveler for radiolysis

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The first known use of radiolysis was in 1948

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Cite this Entry

“Radiolysis.” Dictionary, Merriam-Webster, Accessed 20 Jan. 2022.

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More Definitions for radiolysis


ra·​di·​ol·​y·​sis | \ ˌrād-ē-ˈäl-ə-səs How to pronounce radiolysis (audio) \
plural radiolyses\ -​ˌsēz How to pronounce radiolysis (audio) \

Medical Definition of radiolysis

: chemical decomposition by the action of radiation — compare photolysis

More from Merriam-Webster on radiolysis Encyclopedia article about radiolysis


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