stopwatches
nounUK /ˈstɒp.wɒtʃ.ɪz/
US /ˈstɑːp.wɑː.tʃɪz/
A stopwatch is a small clock you use to time how long something takes.
The coach used two stopwatches to time the runners.
RELATED WORDS
OTHER MEANINGS
2. A watch with a hand or digital display that can be started and stopped to measure short periods.
He clicked his stopwatch as soon as the race began.
3. A tool used in sports and science to record exact time intervals.
The lab assistant checked the stopwatches before the experiment.
4. A device for measuring the duration of an event to the fraction of a second.
Digital stopwatches can show hundredths of a second.