Hidden microphone and Telephone

Telephone and hidden microphone are semantically related. In some cases you can use "Telephone" instead a noun phrase "Hidden microphone".

Telephone noun - Electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds.

Hidden microphone and telephone are semantically related. You can use "Hidden microphone" instead a noun "Telephone".

Nearby Words: telephoned, telephony, telephonist, telephonic, telephoning