detector : Idioms & Phrases


Bank-note detector

  • a publication containing a description of genuine and counterfeit bank notes, designed to enable persons to discriminate between them.
Webster 1913

crystal detector

  • noun a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier
WordNet

Detector lk

  • . See under Lock.
Webster 1913

lie detector

  • noun a polygraph that records bodily changes sometimes associated with lying
WordNet

metal detector

  • noun detector that gives a signal when it detects the presence of metal; used to detect the presence of stray bits of metal in food products or to find buried metal
WordNet

mine detector

  • noun detector consisting of an electromagnetic device; used to locate explosive mines
WordNet

particle detector

  • noun a chamber in which particles can be made visible
WordNet

Time detector

  • a timepiece provided with a device for registering and indicating the exact time when a watchman visits certain stations in his beat.
Webster 1913

trace detector

  • noun a screening device for traces of explosives; used at airline terminals
WordNet

Watchman's detector, ∨ Watchman's time detector

  • an apparatus for recording the time when a watchman visits a station on his rounds.
Webster 1913