detector : Idioms & Phrases
Index
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
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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
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noun a polygraph that records bodily changes sometimes associated with lying
WordNet
metal detector
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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
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noun detector consisting of an electromagnetic device; used to locate explosive mines
WordNet
particle detector
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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
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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.