heterodyne heterodyne /ˈhɛtɝəˌdaɪn/

adjective

1. (electronics) of or relating to the beat produced by heterodyning two oscillations  ( heterodyne )
   (electronics) of or relating to the beat produced by heterodyning two oscillations
   

verb

1. Combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two  ( heterodyne )
   combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two