photochemical
adjective
pho·to·chem·i·cal
ˌfō-tō-ˈke-mi-kəl 
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
Examples of photochemical in a Sentence
Recent Examples on the Web
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
To film buffs who are buffs, specifically, of film — of movies shot and projected with a physical, photochemical product — comparing IMAX 70-millimeter to IMAX digital, let alone standard digital, is like comparing lightning to the lightning bug.
—Marc Tracy, New York Times, 18 July 2023
This is a big improvement from the team’s previous work trying to induce a photochemical reaction in crystalline solids.
—Darren Orf, Popular Mechanics, 23 Aug. 2023
In material science, for example—which approximates solutions of charge transfer processes, photochemical reactions and catalytic reactions—often fails to capture the underlying quantum physics determinative for the material's behavior.
—Julian Van Velzen, Forbes, 17 July 2023
Determining the photochemical reactions happening in a faraway atmosphere takes an advanced and extremely fine-tuned telescope fit with a spectrograph.
—Meghan Herbst, Wired, 4 Mar. 2021
The molecules likely originally formed through photochemical reactions in ice in outer space before our solar system even existed, Oba said.
—Ashley Strickland, CNN, 21 Mar. 2023
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
To film buffs who are buffs, specifically, of film — of movies shot and projected with a physical, photochemical product — comparing IMAX 70-millimeter to IMAX digital, let alone standard digital, is like comparing lightning to the lightning bug.
—Marc Tracy, New York Times, 18 July 2023
This is a big improvement from the team’s previous work trying to induce a photochemical reaction in crystalline solids.
—Darren Orf, Popular Mechanics, 23 Aug. 2023
In material science, for example—which approximates solutions of charge transfer processes, photochemical reactions and catalytic reactions—often fails to capture the underlying quantum physics determinative for the material's behavior.
—Julian Van Velzen, Forbes, 17 July 2023
Determining the photochemical reactions happening in a faraway atmosphere takes an advanced and extremely fine-tuned telescope fit with a spectrograph.
—Meghan Herbst, Wired, 4 Mar. 2021
The molecules likely originally formed through photochemical reactions in ice in outer space before our solar system even existed, Oba said.
—Ashley Strickland, CNN, 21 Mar. 2023
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.
Dictionary Entries Near photochemical
Cite this Entry
“Photochemical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photochemical. Accessed 19 Apr. 2024.
Copy CitationMedical Definition
photochemical
adjective
pho·to·chem·i·cal
ˌfōt-ō-ˈkem-i-kəl
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
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