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Definition of detector noun from the Oxford Advanced Learner's Dictionary

detector

noun

/dɪˈtektə(r)/

/dɪˈtektər/

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a piece of equipment for discovering the presence of something, such as metal, smoke, explosives or changes in pressure or temperature
- a smoke detector
see also lie detector, metal detector, mine detector
Oxford Collocations Dictionary
Detector is used before these nouns:
van
Detector is used after these nouns:
lie
metal
motion
…
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See detector in the Oxford Advanced American DictionarySee detector in the Oxford Learner's Dictionary of Academic English

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