1) Of or relating to quadraphony 2) Quadraphonic 3) Quadrasonic 4) Quadrisonic 5) Stereo 6) Stereo system 7) Stereophonic system 1) Quadraphonic 2) Quadrasonic 3) Quadrisonic 
quadraphonic, quadriphonic, quadraphonics Using a four-channel system to record and reproduce sound. The four separate signals may be fed to individual loudspeakers placed in the corners of a room.quadriphonic, quadriphonics, quadrophonic All of these are variations in form of quadraphonic, et al.
quadraphonic.