quadraphonic

WORDNET DICTIONARY

quadraphonic(a = adj.pert) quadrasonic, quadriphonic, quadrisonic - of or relating to quadraphony; "his quadraphonic sound system"

Derived form noun quadraphony₁

quadraphonic, adj. (also quadrophonic) (of sound reproduction) using four transmission channels.

Derivative

quadraphonically adv. quadraphonics n.pl. quadraphony n.

Etymology

QUADRI- + STEREOPHONIC

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