noun🔗ShareСекундомерA timepiece designed to measure the amount of time elapsed from a particular time when activated and when the piece is deactivated."The runner used a stopwatch to time how long it took to run the mile. "Бегун использовал секундомер, чтобы засечь время, за которое он пробежал милю.timedevicesportelectronicsmachinetechnologytechnicalChat with AIVocabulary GamePractice Reading