metal detector ( synonym found)
Definition of metal detector:

°A hand-held device that uses electromagnetic induction to detect buried metal.
°A structure, similar to a doorway, through which people pass; an alarm is sounded if the person is carrying a metal object, as this may indicate a weapon.
Definition of metal detector:

°A hand-held device that uses electromagnetic induction to detect buried metal.
°A structure, similar to a doorway, through which people pass; an alarm is sounded if the person is carrying a metal object, as this may indicate a weapon.
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