In percussion or auscultation, a sound that is diminished or fainter than usual. ... Origin: hypo-+ G. Phonesis, a sounding ... (05 Mar 2000) ... 
(hi″po-fo-ne´sis) diminution of the sound in auscultation or percussion.
Type: Term Pronunciation: hī′pō-fō-nē′sis Definitions: 1. In percussion or auscultation, a sound that is diminished or fainter than usual.
hypophonesis In percussion or auscultation, a sound that is diminished or fainter than usual.
a sound of less than usual intensity in percussion or auscultation.