ˌkathəˈtäməd.ə(r) noun
( -s )
Etymology: International Scientific Vocabulary catheto- (from Greek kathetos vertical height, perpendicular line, from kathetos let down, from kathienai ) + -meter
: an instrument for accurate measurement of small differences in height (as of columns of mercury or other fluids) consisting of a telescopic leveling apparatus that slides up or down a perpendicular standard with a finely graduated scale
• cath·e·to·met·ric |kathəd.ə|me.trik adjective