超声波 chāoshēngbō ultrasound Definitions Defs Origin Strokes Stroke Words Sentences Sents 超 chāo adverb super- (bound form) Prefix meaning super-, ultra-, or extra-; occurring at a level significantly higher (or lower) than the normal standard.声波 聲波 shēngbō sound wave a mechanical wave that travels through a medium like air or water, caused by the vibration of an object; also called 音波 yīnbō
