Bible Dictionaries
Chronoscope

Webster's Dictionary

(n.) An instrument for measuring minute intervals of time; used in determining the velocity of projectiles, the duration of short-lived luminous phenomena, etc.

Bibliography Information
Webster, Noah. Entry for 'Chronoscope'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/chronoscope.html. 1828.