stop
watch
Plural
stopwatches
1
a watch with a button to stop and start time, used in sport events
A stopwatch is a tool used to measure time, usually for short periods. It is often used in sports and other activities to track how long something takes. A stopwatch typically has a start and stop button to begin and end the timing, and it can display time in hours, minutes, seconds, and fractions of a second. It is useful for timing races, exercises, or events that require precise measurements of time.
- The coach used a stopwatch to time each runner during the track practice.
- She started the stopwatch as soon as the race began to measure her performance.
- The scientist used a stopwatch to record the duration of a chemical reaction in the lab.
- He reset the stopwatch after each trial to ensure accurate measurements in the experiment.
- They used a digital stopwatch for precise timing in the competition.
Synonyms: