Standard Lemma guide
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Sound
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noun
A feature of military image intensifier tubes where the amount of light reaching the intensifier is automatically gated so that bright lights do not damage the unit.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From auto- + gating.
