Dictionary.com
Thesaurus.com
Showing results for photochemical. Search instead for photochemic.

photochemical

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

adjective

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


Other Word Forms

  • non-photochemical adjective
  • photochemically adverb

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

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

This advancement broadens the possibilities for sustainable photochemical systems.

From Science Daily • Nov. 26, 2025

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 product of photochemical decomposition no longer forms azo-colours with amines or phenols.

From Coal and What We Get from It by Meldola, Raphael