fric•a•tivePronunciation: (frik'u-tiv), [key] Phonet.
(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.
Also called spirant.
a fricative consonant, as (th), (v), or (h).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.