Meaning of “quadraphonic” in the English Dictionary

british dictionary

"quadraphonic" in British English

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quadraphonicadjective

UK also quadrophonic uk /ˌkwɒd.rəˈfɒn.ɪk/ us /ˌkwɑː.drəˈfɑː.nɪk/

(of an electronic system of recording, playing, or receiving sound) having sound coming from four different directions

(Definition of “quadraphonic” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)