Definition of “detector” - English Dictionary

british dictionary

“detector” in British English

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detectornoun [ C ]

uk /dɪˈtek.tər/ us /dɪˈtek.tɚ/

a device used to find particular substances or things, or measure their level:

a metal/smoke detector

(Definition of “detector” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)