Phonetics 【语音】
denoting a type of consonant made by the friction of breath in a narrow opening, producing a turbulent air flow
摩擦的; 由摩擦产生的。
a consonant made in this way, e.g. f and th
擦音, 摩擦音（如f 和 th）。
词源
mid 19th cent.: from modern Latin fricativus, from Latin fricare 'to rub'.