metal detector


noun
  1. an electronic device for detecting the presence of metal objects, as one used as a portable sweeping unit or one emplaced in an archway at an airport terminal to detect concealed weapons, explosives, etc.

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British Dictionary definitions for metal detector

metal detector

noun
  1. 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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