[ soo-per-het-er-uh-dahyn ]
/ ˌsu pərˈhɛt ər əˌdaɪn /
denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
a superheterodyne receiver.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019