音學 yīnxué acoustics Origin Definitions Defs Strokes Stroke Words Sentences Sents yīnxué acoustics 音 yīn noun sound sound; noise; tone; musical note; a person's voice or pitch学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -scienceyīnxué phonetics 音 yīn noun pronunciation the reading or phonetic value of a character; a specific accent or dialect学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science