You searched for: “electronic listening device
electronic listening device
1. An instrument that picks up sound waves from an essentially private conversation and reproduces them in a form, generally on magnetic tape, that then can be used as evidence.
2. A device used to capture the sound waves of conversations originating in an supposedly private setting in a form, usually as a magnetic tape recording, which can be used against the target by anyone with negative intentions.
This entry is located in the following units: electro-, electr-, electri- (page 65) -tron, -tronic, -tronics + (page 10)