Real Dictionary

superheterodyne in British English
a radio set for this method of reception
designating or of a form of radio reception in which part of the amplification prior to demodulation is carried out at an intermediate supersonic frequency produced by beating the frequency of the received carrier waves with that of locally generated osci
adjective: denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection
noun: a superheterodyne receiver
noun: radio, applied to reception in which oscillations of slightly different frequency are imposed on the received oscillations, producing beats of a frequency above audio- frequency which are easily amplified