# fire triangle

> English word · Noun

## Definitions
1. The three elements necessary and sufficient to sustain a fire: fuel (e.g. wood or petrol/gasoline), oxidizer (e.g. oxygen), and sufficient heat (e.g. reaction temperature or activation energy).
2. The diagram representing these three elements of a fire.
3. A fire and its three components.

## Etymology
From fire + triangle.

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