English dictionary



Hint: Question mark (?) is a wildcard. Question mark substitutes one character.

English noun: photochemical reaction

1. photochemical reaction (process) a chemical reaction produced by the action of light


Broader (hypernym)chemical reaction, reaction


Narrower (hyponym)light reaction









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk