Definition of autodyne in English:

autodyne

Pronunciation /ˈɔːtə(ʊ)dʌɪn/

adjective

Radio
  • Designating or relating to a circuit in which the part used for detection is also used as the local oscillator.

noun

rare Radio
  • An autodyne circuit.

Origin

Early 20th century; earliest use found in Circular United States Bureau of Standards. From auto- + -dyne, after heterodyne.