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chronometer

[kruh-nom-i-ter]
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noun
  1. 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.
  2. any timepiece, especially a wristwatch, designed for the highest accuracy.
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Origin of chronometer

First recorded in 1705–15; chrono- + -meter
Related formschron·o·met·ric [kron-uh-me-trik] /ˌkrɒn əˈmɛ trɪk/, chron·o·met·ri·cal, adjectivechron·o·met·ri·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chronometrical

Historical Examples

  • At the age of 25 he employed his whole time in chronometrical improvements.

    Curious Epitaphs

    William Andrews

  • Brazil, in order to complete the chronometrical measurement of the world.

  • But beyond that, in the summer of 1833 he was employed by the Russian Government on a chronometrical expedition in the Baltic.

    Historic Oddities

    Sabine Baring-Gould

  • To turn the left cheek if the right be smitten, is chronometrical; hence, no average son of man ever did such a thing.

  • To give all that thou hast to the poor, this too is chronometrical; hence no average son of man ever did such a thing.


British Dictionary definitions for chronometrical

chronometer

noun
  1. a timepiece designed to be accurate in all conditions of temperature, pressure, etc, used esp at sea
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Derived Formschronometric (ˌkrɒnəˈmɛtrɪk) or chronometrical, adjectivechronometrically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for chronometrical

chronometer

n.

1735, from chrono- "time" + -meter. Related: Chronometric.

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Online Etymology Dictionary, © 2010 Douglas Harper

chronometrical in Science

chronometer

[krə-nŏmĭ-tər]
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.