photoionization
noun
pho·to·ion·i·za·tion
ˌfō-tō-ˌī-ə-nə-ˈzā-shən 
: ionization (as in the ionosphere) of a molecule or atom caused by absorption of radiant energy
Examples of photoionization in a Sentence
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Something else that might be to blame for not all of Au Mic b’s outflows being observable is photoionization.
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Elizabeth Rayne, Ars Technica, 15 Aug. 2023
The breathing zone will be monitored with a photoionization detector to screen for volatile organic compounds (in the work zone).
—al, 14 Jan. 2020
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Elizabeth Rayne, Ars Technica, 15 Aug. 2023
The breathing zone will be monitored with a photoionization detector to screen for volatile organic compounds (in the work zone).
—al, 14 Jan. 2020
Cite this Entry
“Photoionization.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photoionization. Accessed 29 May. 2025.
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