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Showing results for photochemical. Search instead for protochemical.

photochemical

American  
[foh-toh-kem-ik-uhl] / ˌfoʊ toʊˈkɛm ɪk əl /

adjective

  1. relating to or produced by the chemical action of light.


photochemical British  
/ ˌfəʊtəʊˈkɛmɪkəl /

adjective

  1. of or relating to photochemistry; involving the chemical effects of light

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Cleaner cars have wrought wonders in getting rid of photochemical smog, when all we need to do is buy one.

From Los Angeles Times Mar. 26, 2026

Not the good, high-altitude ozone that shields us from dangerous UV light, but bad ozone, hovering right above ground level — stinking, brownish, grayish photochemical smog.

From Los Angeles Times Mar. 26, 2026

They targeted a photochemical reaction in which molecules absorb energy from photons and transfer it to a neighbor.

From Science Magazine May 30, 2024

The team surrounding Wenger and his postdoc Dr. Cui Wang identified this process of breaking out as a decisive step which limits the energy efficiency and the speed of photochemical reactions.

From Science Daily Mar. 18, 2024

Contrary to most photochemical reactions, it appears that plant life utilize yellow, red, and infra-red energy more than the blue, violet, and ultra-violet.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew

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