# therm

> English word · Noun · IPA /θɜːm/ · frequency rank #95,510

## Definitions
1. A unit of heat equal to 100,000 British thermal units, often used in the context of natural gas.

## Etymology
1920s, from Ancient Greek θερμός (thermós, “heat”). See also thermo-, -thermic, etc.

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