| n. | 1. | One who, or that which, detects; a detecter. | ||||||
| 2. | (Elec.) An indicator showing the depth of the water in a boiler.
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| Noun | 1. | detector - 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: sensing element, sensor |
| 2. | detector - rectifier that extracts modulation from a radio carrier wave Synonyms: demodulator | |
| 3. | detector - electronic equipment that detects the presence of radio signals or radioactivity |