represents both the glottal stop and the centralized vowel and derives from the historical use of hamza for those sounds in Arabic script. Examples are bowaꞌ 'mouth' as a consonant and nsꞌllan 'oil' as a vowel. See also Glottal stop (letter) Hamza ʻOkina References External links Definition of saltillo Glottal consonants Languages of Mexico Latin-script letters Plosives