# heat-seeking

> English word · Adjective

## Definitions
1. Of a missile or rocket, able to detect and follow the heat emitted by an aircraft engine or rocket.
2. Of a device, able to detect a source of infrared radiation.

## Etymology
From heat + seeking.

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