カセトメーターかせとめーたーMeanings1nouncathetometerA scientific instrument for measuring small vertical distances, used in physics and engineering.実じっ験けんでは、液えき面めんの高たかさをカセトメーターで精せい密みつに測そく定ていした。In the experiment, the height of the liquid surface was precisely measured with a cathetometer.