photochemical

adjective

pho·​to·​chem·​i·​cal ˌfō-tō-ˈke-mi-kəl How to pronounce photochemical (audio)
1
: of, relating to, or resulting from the chemical action of radiant energy and especially light
photochemical smog
2
: of or relating to photochemistry
photochemical studies
photochemically adverb

Examples of photochemical in a Sentence

Recent Examples on the Web Otherwise, the three printers provide the same glossy, colorful prints using photochemical film. PCMAG, 14 Aug. 2024 While the highly specialized cells inside our eyes don’t feel any pain, the rods and cones and photochemical reactors become inflamed and damaged when looking at the sun, said Ronald Benner, an optometrist and president of the American Optometric Association. Ashley Strickland, CNN, 9 Apr. 2024 Most of these substances form as solids, which must then rain down on the surface in the form of a kind of photochemical smog. The Physics Arxiv Blog, Discover Magazine, 15 Jan. 2024 Smog, or ground-level ozone, in technical terms, is produced through a photochemical reaction where nitrogen oxides and volatile organic compounds react with each other in sunlight. Justine Calma, The Verge, 12 Feb. 2024 See all Example Sentences for photochemical 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'photochemical.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1857, in the meaning defined at sense 1

Time Traveler
The first known use of photochemical was in 1857

Dictionary Entries Near photochemical

Cite this Entry

“Photochemical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photochemical. Accessed 7 Oct. 2024.

Medical Definition

photochemical

adjective
pho·​to·​chem·​i·​cal ˌfōt-ō-ˈkem-i-kəl How to pronounce photochemical (audio)
1
: of, relating to, or resulting from the chemical action of radiant energy and especially light
photochemical smog
2
: of or relating to photochemistry
photochemical studies
photochemically adverb
Last Updated: - Updated example sentences
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