Search Result for "quadraphony": 
Wordnet 3.0

NOUN (1)

1. a stereophonic sound recording or reproducing system using four separate channels;
[syn: quadraphony, quadraphonic system, quadriphonic system]



WordNet (r) 3.0 (2006):

quadraphony
    n 1: a stereophonic sound recording or reproducing system using
         four separate channels [syn: quadraphony, quadraphonic
         system, quadriphonic system]