superheterodyne receiver

/ (ˌsuːpəˈhɛtərəˌdaɪn) /

noun

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 signalSometimes shortened to: superhet

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Word Origin for superheterodyne receiver

C20: from super (sonic) + heterodyne

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012