detector

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noun de·tec·tor \di-ˈtek-tər\

Definition of detector

  1. :  one that detects: as a :  a device for detecting the presence of electromagnetic waves or of radioactivity b :  a rectifier of high-frequency current used especially for extracting the intelligence from a radio signal

Examples of detector in a sentence

  1. using metal detectors to improve safety at airports

  2. <a motion detector to thwart burglaries>

1541

First Known Use of detector

1541


DETECTOR Defined for English Language Learners

detector

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noun de·tec·tor \di-ˈtek-tər\

Definition of detector for English Language Learners

  • : a device that can tell if a substance or object is present : a device that detects the presence of something


Medical Dictionary

detector

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noun de·tec·tor \di-ˈtek-tər\

Medical Definition of detector

  1. :  one that detects; especially :  a device for detecting the presence of electromagnetic waves or of radioactivity



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