aphonic,a.rare.|əˈfɒnɪk|[f.as next + -ic.]Having no sound or pronunciation, non-vocal.1827Edin.Rev.XLV. 533These[hieroglyphics]he divides into Emphonic, Symphonic, and Aphonic.1877RobertsHandbk.Med.I. 353Voice is completely lost, and cough becomes aphonic.