detectors

'detectors'

[detector.n.01] as in: any device that receives a signal or stimulus (as heat or pressure or light or motion etc.)

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and responds to it in a distinctive manner

'detectors'

[detector.n.02] as in: rectifier that extracts modulation from a radio carrier wave

'detectors'

[detector.n.03] as in: electronic equipment that detects the presence of radio signals or radioactivity