D defs.my
Entry 1 sense Webster, 1913

modulator-demodulator

· mod·u·la·tor-de·mod·u·la·tor · IPA
01 n. An electronic device that converts electronic signals into sound waves, and sound waves into electronic signals, used to transmit informati…
  1. 1.
    An electronic device that converts electronic signals into sound waves, and sound waves into electronic signals, used to transmit information between computers by the use of ordinary telephone lines; usually called a modem. Also: modem