# thermonasty

> English word · Noun

## Definitions
1. A nastic response to a change in temperature, such as the opening and closing of tulips.

## Etymology
From thermo- + -nasty.

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