1. [ noun ] 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
Synonyms: sensor sensing_element
Related terms: device photoelectric_cell lie_detector metal_detector trace_detector mine_detector feel
2. [ noun ] (physics) rectifier that extracts modulation from a radio carrier wave
Synonyms: demodulator
Related terms: rectifier radio_receiver
3. [ noun ] (electronics) electronic equipment that detects the presence of radio signals or radioactivity
Related terms: electronic_equipment scanner crystal_detector radio_receiver
Similar spelling:   detect