chronometer
[ kruh-nom-i-ter ]
/ krəˈnɒm ɪ tər /
noun
a timepiece or timing device with a special mechanism for ensuring and adjusting its accuracy, for use in determining longitude at sea or for any purpose where very exact measurement of time is required.
any timepiece, especially a wristwatch, designed for the highest accuracy.
Nearby words
chronological age, chronological order, chronologist, chronologize, chronology, chronometer, chronometric, chronometry, chronon, chronooncology, chronopher
Related formschron·o·met·ric [kron-uh-me-trik] /ˌkrɒn əˈmɛ trɪk/, chron·o·met·ri·cal, adjectivechron·o·met·ri·cal·ly, adverb
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for chronometer
British Dictionary definitions for chronometer
chronometer
/ (krəˈnɒmɪtə) /
noun
a timepiece designed to be accurate in all conditions of temperature, pressure, etc, used esp at sea
Derived Formschronometric (ˌkrɒnəˈmɛtrɪk) or chronometrical, adjectivechronometrically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Science definitions for chronometer
chronometer
[ krə-nŏm′ĭ-tər ]
An extremely accurate clock or other timepiece. Chronometers are used in scientific experiments, navigation, and astronomical observations. It was the invention of a chronometer capable of being used aboard ship, in 1762, that allowed navigators for the first time to accurately determine their longitude at sea.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.