Phonetics. (in English articulation) a speech sound produced without occluding, diverting, or obstructing the flow of air from the lungs (opposed to consonant). (in a syllable) the sound of greatest sonority, as i in grill. Compare consonant (def 1b). (in linguistic function) a concept empirically determined as a phonological element in structural contrast with consonant, as the (ē) of be (bē), we (wē), and yeast (yēst).
a letter representing or usually representing a vowel, as, in English, a, e, i, o, u, and sometimes w and y.
of or relating to a vowel.
(phonetics) a voiced speech sound whose articulation is characterized by the absence of friction-causing obstruction in the vocal tract, allowing the breath stream free passage. The timbre of a vowel is chiefly determined by the position of the tongue and the lips