a radio receiver that combines two radio-frequency signals by heterodyne action, to produce a signal above the audible frequency limit. This signal is amplified and demodulated to give the desired audio-frequency signal
Sometimes shortened to: superhet
Word origin
C20: from super(sonic) + heterodyne
superhet in American English
(ˌsuːpərˈhet)
adjective or noun
Radio informal
superheterodyne
Word origin
[1925–30; by shortening]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: Nazi, decibel, dropout, gimmick, recycle