クロノスコープクロノスコープCommon wordMeanings1nounchronoscopeA scientific instrument for measuring very short time intervals, used in physics and engineering.クロノスコープは、光ひかりの速そく度どを精せい密みつに測はかる実じっ験けんで使つかわれた。The chronoscope was used in experiments to precisely measure the speed of light.