- An electronic device which serves to detect the presence of metal objects such as wires or pipes in walls, pieces of metal in food products, and so on. Such a device, for instance, may emit electromagnetic waves which interact with any conductive objects encountered, with changes in said field indicating the presence of metals. Also called metal locator.
- synonymmetal locator
- noun a portable electronic device which is used to detect metal objects buried in the ground
- noun a device that sounds an alarm if it senses that metal is present and is used to check whether people are carrying weapons or other dangerous objects, e.g. at airports