Definition of detector in English:



  • [often with modifier] A device or instrument designed to detect the presence of a particular object or substance.

    ‘methane detectors’
    • ‘Bomb detectors seem to be popular devices that are being installed in many buildings these days.’
    • ‘On her left were the weird heart rate detectors and blood pressure monitors.’
    • ‘If we spent money on hypocrisy detectors as well as anthrax detectors, they would be buzzing.’
    • ‘The carbon monoxide detector is designed to sense the presence of carbon monoxide in the air.’
    • ‘When the laser bear hits a detector, the laser detector records a kill or near miss.’
    • ‘An adaptor on the back of the camera allows for hook up to devices such as motion detectors and doorbells.’
    • ‘This flare saturated the X-ray detectors on several monitoring satellites.’
    • ‘It is essential to select the appropriate traffic detector technology for each specific function.’
    • ‘One of the problems with the bus detector idea is that it might confuse buses with lorries and a method of dealing with that is also being looked into.’
    • ‘Behind that is a photon detector, placed so as to detect the light from only one slit.’
    • ‘The roads shall have sensory speed detectors, traffic lights and tar macadam.’
    • ‘They use detection equipment, including detector vans and hand-held scanners.’
    • ‘The cosmic dust detector recorded two micrometeoroid showers in September and December.’
    • ‘But it took another six years for a TV detector van to take to the streets.’
    • ‘As well as the drive through model, the company is working on a handheld detector device.’
    • ‘Canadian authorities use vapour detectors for bomb detection at airports.’
    • ‘The chemical agent detectors and radiological monitors were going off all over the place.’
    • ‘Motion detector software checks for blinking, and translates this into clicks.’
    • ‘Motion detectors and daylighting sensors keep electric light use to a minimum.’
    • ‘The good news for the radar detector supplier and thousands of motorists is that the devices are still legal to buy and use in the UK.’
    detector, scanner, recorder
    View synonyms