# photochemical

> English word · Adjective · frequency rank #74,396

## Definitions
1. Of, relating to, or produced by photochemistry or by photochemical reactions.

## Etymology
From photo- + chemical.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/photochemical