Definition of cathetometer in English:

cathetometer

noun ˌkaθɪˈtɒmɪtə

Mid 19th century: from Latin cathetus (from Greek kathetos 'perpendicular line', from kathienai 'send or let down') + -meter.

词汇	cathetometer
释义	Definition of cathetometer in English: cathetometer noun ˌkaθɪˈtɒmɪtə A telescope mounted on a graduated scale, used for accurate measurement of small vertical distances. 高差计，测高计 Example sentencesExamples Each cathetometer has a horizontal travel of 1.8 m and a vertical travel of 1.2 m. This computer program controls motors that drive translation stages in a metrology system that consists of a pair of two-axis cathetometers. The vertical drops can be determined with a cathetometer even when someone else is gathering data with the apparatus. The length of fuel assemblies and fuel rods is measured by comparison with the length standard by means of cathetometer. The difference of the two readings on the cathetometer would give the corresponding length measured on the glass column for 100 ml. Origin Mid 19th century: from Latin cathetus (from Greek kathetos 'perpendicular line', from kathienai 'send or let down') + -meter.
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