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[kruh-nom-i-ter] /krəˈnɒm ɪ tər/

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.
a timepiece designed to be accurate in all conditions of temperature, pressure, etc, used esp at sea

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


Read Also:

  • Chronometric dating

    noun See absolute dating

  • Chronometry

    [kruh-nom-i-tree] /krəˈnɒm ɪ tri/ noun 1. the art of measuring time accurately. 2. measurement of time by periods or divisions. /krəˈnɒmɪtrɪ/ noun 1. the science or technique of measuring time with extreme accuracy

  • Chronon

    [kroh-non] /ˈkroʊ nɒn/ noun 1. a hypothetical unit of time, taken as a ratio between the diameter of the electron and the velocity of light, equivalent to approximately 10− 24 second. /ˈkrəʊnɒn/ noun 1. a unit of time equal to the time that a photon would take to traverse the diameter of an electron: about […]

  • Chronooncology

    chronooncology chron·o·on·col·o·gy (krŏn’ō-ŏn-kŏl’ə-jē, -ŏng-) n.

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