quadraphony (also quadrophony)

n [U] system for recording and reproducing sound in this way 四声道录音放音系统或设备.

Q, q, QB, QC, QE2, QED, qr, qt, qto, qty, qua, quack, quack-quack, quackery, quad, quadr(i)-, Quadragesima, quadrangle, quadrangular, quadrant, quadraphonic (also quadrophonic), quadratic equation, quadrennial, quadrilateral, quadrille, quadrillion, quadrophonic, quadrophony, quadruped, quadruple, quadruplet, quadruplicate, quaff, quagmire, quail, quaint, quaintly, quaintness, quake, Quaker, qualification, qualified,