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.

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

Example Sentences

While hiking in a forest in the Mount Shasta area with a metal detector, browsing over rocks and dirt, his machine began to beep.

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The boss of one the UK's largest providers of metal detectors says sales to schools of knife arches and handheld wands have risen.

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Ticket in hand, he walked to Gate 52, unhindered at the time by X-ray machines or metal detectors.

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Now as president, his portrait hangs in the entrance to the federal courthouse, just over the metal detectors.

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It is a criminal offence to damage or destroy a scheduled monument or use metal detectors on protected sites without consent.

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