# photostationary

> English word · Adjective

## Definitions
1. Describing a steady state reached by a photochemical reaction in which the rates of formation and disappearance of transient species are equal

## Etymology
From photo- + stationary.

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