chronograph

The definition of a chronograph is an instrument that measures intervals of time.

(noun)

An example of a chronograph is a stopwatch which is used to measure how long an event lasts.

See chronograph in Webster's New World College Dictionary

noun

any of various instruments, as a stopwatch, for measuring and recording brief, precisely spaced intervals of time

Origin: chrono- + -graph

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See chronograph in American Heritage Dictionary 4

noun

An instrument that registers or graphically records time intervals such as the duration of an event.

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