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photoreaction

American  
[foh-toh-ree-ak-shuhn] / ˌfoʊ toʊ riˈæk ʃən /

noun

Chemistry.
  1. a chemical reaction that involves or requires light.


Etymology

Origin of photoreaction

First recorded in 1905–10; photo- + reaction

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.

See Examples For:

"We were able to detect the initial product of the photoreaction -- the electron transfer that occurred -- and thus prove that the complex reacts as desired," said Professor Heinze.

From Science Daily Nov. 26, 2025

The team evaluated the catalytic activity of the complexes for a specific photoreaction called transfer hydrogenation, a common reaction used in various industries.

From Science Daily Sep. 19, 2023

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