No definitions found for 'quadraphonic sound system'
Perhaps one of these:
quadrivalent,
quadrifurcated,
quadrifoil,
quadripartite,
quadruplication,
quadrivalve,
quadripartition,
quadruply,
quadriplegic,
quadrifid,
quadruple bucky,
quadruplicate,
quadrable,
quadruplicating,
quadraphony,
quadruplicated,
quadrivium,
quadrivalence,
quadripartitely,
quadrivial,
quadrupled,
quadruple time,
quadribasic,
quadriplegia,
quadrible,
quadriphonic system,
quadrivalvular,
quadriphonic,
quadrupedal,
quadrupling,
quadruplex system,
quadrifoliate,
quatuorvir,
quatrefeuille,
quadraphonic system,
quadrifarious,
quadriphyllous,
quadruplex,
quadruped,
quadruple,
quadripara,
quadripennate,
quadruplet,
quadraphonic,
qatar peninsula,
quatrefoil,
quadruplane