kymograph
/ˈkaɪməʊgrɑːf/noun
- an instrument for recording variations in pressure, e.g. in sound waves or in blood within blood vessels, by the trace of a stylus on a rotating cylinder转筒记录器（用于记录声波或血管内血液压力的变化）。
派生词
kymographic
adjective词源
mid 19th cent.: from Greek kuma 'wave' + -GRAPH.