# photocytotoxic

> English word · Adjective

## Definitions
1. Cytotoxic only (or especially) in the presence of light.

## Etymology
From photo- + cytotoxic.

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