# isothermal

> English word · Adjective · frequency rank #65,221

## Definitions
1. Of or pertaining to a process that takes place at constant temperature
2. Of or pertaining to an isotherm

## Etymology
From iso- + thermal or isotherm + -al.

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