quadraphonicPronunciation: /ˌkwɒdrəˈfɒnɪk/ (also quadrophonic)Definition of quadraphonic adjective (of sound reproduction) transmitted through four channels: a CD player with quadraphonic soundDerivatives quadraphonically adverb quadraphonics noun quadraphonyPronunciation: /-ˈdrɒf(ə)ni/ noun Origin: 1960s: from quadri- 'four' + a shortened form of stereophonicquadraphonic in other Oxford dictionaries Definition of quadraphonic in the US English dictionary
