DETECTOR
detector, sensor, sensing element
(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
detector
(noun) electronic equipment that detects the presence of radio signals or radioactivity
detector, demodulator
(noun) rectifier that extracts modulation from a radio carrier wave
Source: WordNet® 3.1
Etymology
Noun
detector (plural detectors)
A device capable of registering a specific substance or physical phenomenon, and that optionally sounds an alarm or triggers a warning.
An indicator showing the depth of the water in a boiler.
A galvanometer, usually portable, for indicating the direction of a current.
Anagrams
• cottered
Source: Wiktionary
De*tect"or, n. Etym: [L., a revealer.]
Definition: One who, or that which, detects; a detecter. Shak.
A deathbed's detector of the heart. Young.
Bank-note detector, a publication containing a description of genuine
and counterfeit bank notes, designed to enable persons to
discriminate between them.
– Detector l. See under Lock.
Source: Webster’s Unabridged Dictionary 1913 Edition