chronometer
🇺🇸
/krəˈnɑːmɪtər/
🇬🇧
/krəˈnɒmɪtə(r)/
A device that measures time very precisely, often used in navigation or scientific experiments.
The captain checked his chronometer to ensure they were on schedule.
선장은 일정을 확인하기 위해 크로노미터를 확인했습니다.