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A device that senses the presence of metal, especially:
a. A handheld unit used in searching an area for coins or other metal objects.
b. A gatelike structure through which a person passes, used in detecting concealed weapons such as guns and knives.
(Electronics) a device that gives an audible or visual signal when its search head comes close to a metallic object embedded in food, buried in the ground, etc
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|Noun||1.||metal detector - 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|