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“metal detector”
electronic locator, metal detector, metal locator, radio metal locator
1. An electronic instrument used for detecting concealed metal objects; such as, guns, knives, or buried pipelines, generally by radiating a high-frequency electromagnetic field and then detecting the change produced in that field by the ferrous or nonferrous metal object that the user is looking for.
2. A portable electronic device with a search head that is swept over the ground and used to detect buried metal objects such as coins.
3. An electronic device that registers the presence of metal; used, for example, to detect metal weapons or to screen passengers at an airport.
4. An electronic tool used in the food industry to check for the presence of pieces of metal that might have accidentally gotten into food during the processing activities.
2. A portable electronic device with a search head that is swept over the ground and used to detect buried metal objects such as coins.
3. An electronic device that registers the presence of metal; used, for example, to detect metal weapons or to screen passengers at an airport.
4. An electronic tool used in the food industry to check for the presence of pieces of metal that might have accidentally gotten into food during the processing activities.
This entry is located in the following units:
electro-, electr-, electri-
(page 65)
-tron, -tronic, -tronics +
(page 10)
Word Entries at Get Words:
“metal detector”
metal detector
Electronic device for detecting metal which is usually below the surface of the ground, developed from the wartime mine detector.
In the head of the metal detector is a coil, that is part of an electronic circuit.
The presence of metal causes the frequency of the signal in the circuit to change, setting up an audible note in the headphones worn by the user.
This entry is located in the following unit:
Metallurgy Topics or Metal Technology +
(page 1)