A telescope mounted on a graduated scale, used for accurate measurement of small vertical distances.
More example sentences
- The vertical drops can be determined with a cathetometer even when someone else is gathering data with the apparatus.
- The difference of the two readings on the cathetometer would give the corresponding length measured on the glass column for 100 ml.
- Each cathetometer has a horizontal travel of 1.8 m and a vertical travel of 1.2 m.
mid 19th century: from Latin cathetus (from Greek kathetos 'perpendicular line', from kathienai 'send or let down') + -meter.