chronometry

[ kruh-nom-i-tree ]
/ krəˈnɒm ɪ tri /
|

noun

the art of measuring time accurately.
measurement of time by periods or divisions.

Origin of chronometry

First recorded in 1825–35; chrono- + -metry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for chronometry

chronometry

/ (krəˈnɒmɪtrɪ) /

noun

the science or technique of measuring time with extreme accuracy
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