# Kautsky effect

> English word · Noun

## Definitions
1. The variation in a plant fluorescence when exposed to light.

## Etymology
Named after Hans Kautsky.

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