Definition of Chronometer

an instrument designed to keep time with great accuracy, especially when at sea

Examples of Chronometer in a sentence

The chronometer was designed to help sailors more accurately determine longitude.  🔊

With the invention of the chronometer, mariners of the middle ages could now travel with greater accuracy.  🔊

The chronometer was used as portable timekeeping device by Captain Hook and his men.  🔊

In the 1800s, a chronometer was invented to help the military determine a ship’s longitude within 30 geographical miles.  🔊

The chronometer was a good replacement for ordinary clocks that couldn’t be used at sea because of temperature changes and the ship’s motion.  🔊

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