transcription, транскрипция: [ ˌsü-pər-ˈhe-tə-rə-ˌdīn, -ˈhe-trə- ]
adjective
Etymology: super sonic + heterodyne
Date: 1922
: used in or being a radio receiver in which an incoming signal is mixed with a locally generated frequency to produce an ultrasonic signal that is then rectified, amplified, and rectified again to reproduce the sound
• superheterodyne noun