(a.) Pertaining to sound; of the nature of sound; acoustic\.

accented acoustic alveolar apical apico-alveolar apico-dental articulated assimilated audible audile audio auditory aural auricular back barytone bilabial broad cacuminal central cerebral checked close consonant consonantal continuant dental dissimilated dorsal flat front glide glossal glottal guttural hard hearing heavy high hypersonic intonated labial labiodental labiovelar lateral lax light lingual liquid low mid monophthongal muted narrow nasal nasalized occlusive open otic otological otopathic otoscopic oxytone palatal palatalized pharyngeal pharyngealized phonemic phonetic pitch pitched posttonic retroflex rounded semivowel soft sonant sonic stopped stressed strong subsonic supersonic surd syllabic tense thick throaty tonal tonic transonic transsonic twangy ultrasonic unaccented unrounded unstressed velar vocalic vocoid voiced voiceless vowel vowellike weak wide