superheterodyne

adjective

su·​per·​het·​ero·​dyne ˌsü-pər-ˈhe-tə-rə-ˌdīn How to pronounce superheterodyne (audio)
-ˈhe-trə-
: used in or being a radio receiver in which an incoming signal is mixed with a locally generated frequency to produce an ultrasonic signal that is then rectified, amplified, and rectified again to reproduce the sound
superheterodyne noun

Word History

Etymology

supersonic + heterodyne

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of superheterodyne was in 1920

Dictionary Entries Near superheterodyne

Cite this Entry

“Superheterodyne.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superheterodyne. Accessed 22 Nov. 2024.

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