Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
adj
Of a missile or rocket, able to detect and follow the heat emitted by an aircraft engine or rocket.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: engineering, government, military, natural-sciences, physical-sciences, politics, tools, war, weaponry
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Of a device, able to detect a source of infrared radiation.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From heat + seeking.
Across languages
1 source translations are retained for this English entry.
