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Showing results for quadraphonic. Search instead for quadrasonic.
Definitions

quadraphonic

[kwod-ruh-fon-ik] / ˌkwɒd rəˈfɒn ɪk /
NOUN
quad
Synonyms
STRONG
quadrangle quadrant quadruplet

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.