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

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

From Los Angeles Times

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

From BBC

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

From BBC

He called his wife, who at the time was shopping for a metal detector to help with the hunt, and she immediately broke down in tears.

From BBC

Met Assistant Commissioner Matt Ward said the use of live facial recognition, metal detector and stop-and-search had "prevented some of the serious violence we have seen at previous carnivals".

From BBC