rheoplethysmographWiktionary 原文英美构词拆解rheorheo-前缀plethysmographplethysmograph词干rheo-flow, current词源说明From rheo- + plethysmograph.释义名词noun1An instrument for the measurement of variation in volume of organs by measurement of variations in electric impedance同族词派生词 1rheoplethysmographic