SLa sound, such as /f/ or /z/, made by forcing your breath through a narrow opening between your lips and teeth, or your tongue and teeth 摩擦音〔如/f/或/z/〕
Examples from the Corpus
fricative• Loss of the velar fricative is a change that was finally adopted in near-standard vernaculars and formal styles.• D voiceless fricative or any voiced consonant not immediately followed by a voiceless segment.
Originfricative
(1800-1900)Modern Latinfricativus, from Latinfricare; → FRICTION