Dictionary.com
Thesaurus.com

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.

"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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "photoreaction" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com