rheoplethysmograph
English
editEtymology
editFrom rheo- + plethysmograph.
Noun
editrheoplethysmograph (plural rheoplethysmographs)
- An instrument for the measurement of variation in volume of organs by measurement of variations in electric impedance
References
edit- FreePatentsOnline http://www.freepatentsonline.com/3742936.html