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quadraphony

American  
[kwo-draf-uh-nee] / kwɒˈdræf ə ni /

noun

  1. high-fidelity sound reproduction involving signals transmitted through four different channels.

Etymology

Origin of quadraphony

1965–70; quadra-, variant of quadri- + -phony

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.