adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of a missile or rocket, able to detect and follow the heat emitted by an aircraft engine or rocket. not-comparable
2. 2
   Of a device, able to detect a source of infrared radiation. not-comparable

Example

More examples

"Flares are used to avoid heat-seeking missiles."

Etymology

From heat + seeking.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.