# thermoplanet

> English word · Noun

## Definitions
1. A habitable planet with a surface temperature of 50–100°C, warmer than is optimal for most terrestrial life.

## Etymology
From thermo- + planet.

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