Meaning of hypophonesis

hy•po•pho•ne•sis

Pronunciation: (hī"pō-fu-nē'sis, -fō-), [key]
— n. Med.
  1. a sound of less than usual intensity in percussion or auscultation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.