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BNC: 43788 COCA: 28201

chronometer

1 ENTRIES FOUND:
chronometer /krəˈnɑːmətɚ/ noun
plural chronometers
chronometer
/krəˈnɑːmətɚ/
noun
plural chronometers
Learner's definition of CHRONOMETER
[count]
: a watch or clock that measures time very exactly精密计时器
BNC: 43788 COCA: 28201

chronometer

noun

chro·​nom·​e·​ter krə-ˈnä-mə-tər How to pronounce chronometer (audio)
plural chronometers
: timepiece
I don't know about you, but by the time the short fat hand of my analog chronometer is on the six, I'm about ready to take the rest of the day off. Stanley Bing
especially : one designed to keep time with great accuracy despite external forces
Self-educated English clockmaker John Harrison (1693-1776) found the answer by inventing a chronometer—a friction-free timepiece, impervious to pitch and roll, temperature and humidity—that would carry the true time from the home port to any destination. Genevieve Stuttaford

Synonyms

Example Sentences

a fancy new chronometer that is light-years more advanced than your average wristwatch
Recent Examples on the Web Mystery Clocks that were introduced in 1912, which presented the hands seemingly floating in midair within the transparent body of the chronometer. Paul Croughton, Robb Report, 19 June 2022 The move would result in the Besnaçon Observatory launching a new chronometer certification. Paige Reddinger, Robb Report, 18 Mar. 2022 Both sizes contain the Co-Axial master chronometer caliber 8800 with a 55-hour power reserve. Carol Besler, Robb Report, 11 Mar. 2022 Sir Ernest stood by under the canvas with chronometer, pencil, and book. Daniella Mccahey, The Conversation, 10 Mar. 2022 Shackleton's brilliant navigator, Frank Worsley, painstakingly calculated the coordinates for the position where Endurance sank using a sextant and chronometer. Jennifer Ouellette, Ars Technica, 9 Mar. 2022 The watch is chronometer certified by the Official Swiss Chronometer Testing Institute (COSC), which guarantees a precision of -4 to +6 seconds per day. Carol Besler, Forbes, 21 Oct. 2021 Beginning in 2022, the ENG300 series of movements will be certified to chronometer-standards using Bremont’s in-house H1 Timing Standard that reflects the same standards as the ISO3159:2009 Chronometer test. Roberta Naas, Forbes, 20 Oct. 2021 The movement is the manufacture caliber MT5400, an automatic chronometer with a non-magnetic silicon hairspring. Carol Besler, Forbes, 24 June 2021 See More

Word History

Etymology

chrono- + -meter

Note: Apparently first used in English by the clergyman and natural philosopher William Derham (1657-1735) in Physico-Theology; or a Demonstration of the Being and Attributes of God, from His Works of Creation (London, 1714); see Wolfgang Köberer, "On the First Use of the Term 'Chronometer'," The Mariner's Mirror, vol. 106, no. 2 (2016), pp. 203-06. In French chronomètre was used for a metronome-like device by the musician and pedagogue Étienne Loulié in Elements ou principes de musique (Paris, 1696).

First Known Use

circa 1676, in the meaning defined above

Time Traveler
The first known use of chronometer was circa 1676
BNC: 43788 COCA: 28201

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