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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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Example Sentences

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But as we would find out, our smog — photochemical smog — made the air taste like poison and look like something you’d put out with the garbage.

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

Moreover, the combination of different 2D materials, called heterostructures, expands the diversity of their electrical, photochemical, and magnetic properties.

From Science Daily Feb. 8, 2024

In general, it may be said that the arc-lamps including the mercury-arcs provide the most active illuminants for photochemical processes; however, a large number of electric incandescent filament lamps are used in photographic work.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew

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