stopwatch

IPA: stˈɑpwɑtʃ

A timepiece designed to measure the amount of time elapsed between a particular time when activated and when the piece is deactivated.

Examples of "stopwatch" in Sentences

But the scoreboard or stopwatch is supposed to be reliable.
They asked for a stopwatch, which is required at all college basketball games.
A stopwatch was the first, but a more accurate solution was a bicycle wheel, which was mounted to the car's rear.
The Segway's mileage and maintenance is tracked by a small key, similar in appearance to a stopwatch, which is also needed to start the Segway.
The time it takes to start or stop a stopwatch is the same amount of time it would take for someone driving under the influence to lose control of their vehicle, about seven tenths of a second.