[ het-er-uh-dahyn ]
/ ˈhɛt ər əˌdaɪn /


noting or pertaining to a method of changing the frequency of an incoming radio signal by adding it to a signal generated within the receiver to produce fluctuations or beats of a frequency equal to the difference between the two signals.

verb (used without object), het·er·o·dyned, het·er·o·dyn·ing.

to produce a heterodyne effect.

verb (used with object), het·er·o·dyned, het·er·o·dyn·ing.

to mix (a frequency) with a different frequency so as to achieve a heterodyne effect.

Origin of heterodyne

1905–10; hetero- + -dyne < Greek dýnamis power
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heterodyne

British Dictionary definitions for heterodyne


/ (ˈhɛtərəʊˌdaɪn) /


electronics to combine by intermodulation (two alternating signals, esp radio signals) to produce two signals having frequencies corresponding to the sum and the difference of the original frequenciesSee also superheterodyne receiver


produced by, operating by, or involved in heterodyning two signals
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