<p><strong>Adjective</strong></p><ul><li>characterized by audible friction produced by forcing the breath through a constricted or partially obstructed passage in the vocal tract</li><li>spirantal</li><li>spirant</li></ul><p><strong>Noun</strong></p><ul><li>also called spirant: a fricative consonant, as (th), (v), or (h).</li></ul>