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Of, relating to, or being a form of radio reception in which the frequency of an incoming radio signal is mixed with a locally generated signal and converted to an intermediate frequency in order to facilitate amplification and the rejection of unwanted signals.
A superheterodyne radio receiver.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
su•per•het•er•o•dyne(ˌsu pərˈhɛt ər əˌdaɪn)
1. noting or pertaining to a method of receiving radio signals in which the heterodyne process is used to lower the frequency of an incoming modulated wave and the wave is then amplified and demodulated.n.
2. a superheterodyne receiver.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.