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Từ điển WordNet v3.1 - WordNet Dictionary
detector


noun
1. 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 (Freq. 4)
Syn:
sensor, sensing element
Derivationally related forms:
sense (for: sensor), detect
Hypernyms:
device
Hyponyms:
metal detector, mine detector, photoelectric cell, photoconductive cell, photocell,
electric eye, magic eye, trace detector
2. rectifier that extracts modulation from a radio carrier wave
Syn:
demodulator
Derivationally related forms:
demodulate (for: demodulator)
Hypernyms:
rectifier
Part Holonyms:
radio receiver, receiving set, radio set, radio, tuner, wireless
3. electronic equipment that detects the presence of radio signals or radioactivity
Derivationally related forms:
detect
Hypernyms:
electronic equipment
Hyponyms:
crystal detector, scanner, electronic scanner
Part Holonyms:
radio receiver, receiving set, radio set, radio, tuner, wireless

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