detector

1. (noun) anything that receives a stimulus (as heat pressure light motion etc.) and responds to it
Synonyms: sensor
Related Words: device, lie detector, mine detector

2. (noun) detects the presence of radio signals or radioactivity
Related Words: crystal detector, electronic equipment, scanner

3. (noun) extracts modulation from a radio carrier wave
Synonyms: demodulator
Related Words: rectifier



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