sibilant

noun sibilant

• affricate — a composite speech sound consisting of a stop and a fricative articulated at the same point, such as the sound written ch, as in chair
• consonants — Phonetics. (in English articulation) a speech sound produced by occluding with or without releasing (p, b; t, d; k, g), diverting (m, n, ng), or obstructing (f, v; s, z, etc.) the flow of air from the lungs (opposed to vowel). (in a syllable) any sound other than the sound of greatest sonority in the syllable, as b, r, and g in brig (opposed to sonant). Compare vowel (def 1b). (in linguistic function) a concept empirically determined as a phonological element in structural contrast with vowel, as the b of be, the w of we, the y, s, and t of yeast, etc.
• diphthong — Phonetics. an unsegmentable, gliding speech sound varying continuously in phonetic quality but held to be a single sound or phoneme and identified by its apparent beginning and ending sound, as the oi- sound of toy or boil.
• diphthongs — Phonetics. an unsegmentable, gliding speech sound varying continuously in phonetic quality but held to be a single sound or phoneme and identified by its apparent beginning and ending sound, as the oi- sound of toy or boil.
• fricative — (of a speech sound) characterized by audible friction produced by forcing the breath through a constricted or partially obstructed passage in the vocal tract; spirantal; spirant.