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Detector

noun

Definitions

Noun
  1. 1
    A device capable of registering a specific substance or physical phenomenon, and that optionally sounds an alarm or triggers a warning.

    "Smoke detectors are mandatory in public buildings."

  2. 2
    any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner wordnet
  3. 3
    A device capable of registering a specific substance or physical phenomenon, and that optionally sounds an alarm or triggers a warning.; An indicator showing the depth of the water in a boiler.
  4. 4
    electronic equipment that detects the presence of radio signals or radioactivity wordnet
  5. 5
    A device capable of registering a specific substance or physical phenomenon, and that optionally sounds an alarm or triggers a warning.; A galvanometer, usually portable, for indicating the direction of a current.
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  1. 6
    rectifier that extracts modulation from a radio carrier wave wordnet

Etymology

Borrowed from Latin dētēctor. Equals detect + -or (agent noun forming suffix).

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