(a.) Consisting of, or pertaining to, a monophthong.

accented alveolate apical apico-alveolar apico-dental articulated assimilated back barytone bilabial broad cacuminal central cerebral checked close consonant consonantal continuant dental dented depressed dimpled dissimilated dorsal engraved faveolate flat front glide glossal glottal guttural hard heavy high honeycombed indented intonated labial labiodental labiovelar lateral lax light lingual liquid low mid monophthongal muted narrow nasal nasalized notched occlusive open oxytone palatal palatalized pharyngeal pharyngealized phonemic phonetic phonic pitch pitched pitted pocked pockmarked posttonic retroflex rounded semivowel soft sonant stopped stressed strong surd syllabic tense thick throaty tonal tonic twangy unaccented unrounded unstressed velar vocalic vocoid voiced voiceless vowel vowellike weak wide