a chronoscope

listen to the pronunciation of a chronoscope
Английский Язык - Английский Язык
chronograph
microchronometer
chronoscope
an optical instrument used to measure very small time intervals with precision
chronoscope
an instrument for accurate measurements of small intervals of time
chronoscope
An instrument for measuring minute intervals of time; used in determining the velocity of projectiles, the duration of short-lived luminous phenomena, etc
a chronoscope
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