彩超 cǎichāo color ultrasound machine Definitions Defs Origin Strokes Stroke Words Sentences Sents 彩 cǎi noun abbreviation of 彩色 cǎisè color color; multi-colored; in color as opposed to black and white超 chāo abbreviation of 超声 超聲 chāoshēng ultrasound ultrasound; ultrasonic waves; related to sound frequencies above the range of human hearing