Assertion: stopwatch | /r/HasProperty | portable timer
Facets:
Source sentences:
text: A stopwatch is a portable timer that measures a period of time that passes.
text: Considered a form of chronograph, the stopwatch is a portable device that counts seconds or fractions of seconds, so they can be recorded accurately for the purpose of measuring elapsed periods of time.
text: Put simply, a stopwatch is a portable timepiece that counts seconds or fractions of seconds so they can be recorded accurately.