chro·nom·e·ter (kr -n m  -tr)n. An exceptionally precise timepiece. chron  o·metric (krn-m trk, kr n-), chrono·metri·cal adj.chron o·metri·cal·ly adv. |
chronometer
Noun
a timepiece designed to be accurate in all conditions [Greek khronos time + -meter]
| chronometer (kr-nm-tr) 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. |
chronometer
a timing device of extreme accuracy, frequently with a device for checking and adjusting its accuracy. — chronometric, chronometrical, adj.
See also: Instruments
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  chronometer - an accurate clock (especially used in navigation)clock - a timepiece that shows the time of day |
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