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superheterodyne

American  
[soo-per-het-er-uh-dahyn] / ˌsu pərˈhɛt ər əˌdaɪn /

adjective

  1. 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.

noun

  1. a superheterodyne receiver.

Etymology

Origin of superheterodyne

First recorded in 1920–25; super(sonic) + heterodyne

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sears does not sell a twelve-tube Superheterodyne console radio any longer, but at $52.95 it could hardly be a match for this year's $39.95 portable AM-FM that also carries the audio portion of TV channels.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.