WordReference Random House Unabridged Dictionary of American English © 2026
su•per•het•er•o•dyne
(so̅o̅′pər het′ər ə dīn′),USA pronunciation [Radio.]
adj.
n.
adj.
- Radio and Televisiondenoting, 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.
n.
- Radio and Televisiona superheterodyne receiver.
- super(sonic) + heterodyne 1920–25
'superheterodyne' also found in these entries (note: many are not synonyms or translations):