distortion-product otoacoustic emission

distortion-product otoacoustic emission (DPOAE),

a form of evoked otoacoustic emission in which a third frequency is produced when two pure tones are used as the stimulus.

dis·tor·tion-prod·uct o·to·a·cous·tic e·mis·sion

(dis-tōr'shŭn prod'ŭkt ō'tō-ă-kū'stik ē-mish'ŭn) A form of evoked otoacoustic emission in which a third frequency is produced when two pure tones are used as the stimulus.