su·per·het·er·o·dyne (s  p r-h t r--d n)adj. 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. n. A superheterodyne radio receiver. [super(sonic) + heterodyne.] |
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