• synonyms


  1. the art of measuring time accurately.
  2. measurement of time by periods or divisions.
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Origin of chronometry

First recorded in 1825–35; chrono- + -metry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chronometry

Historical Examples of chronometry

  • Chronometry we shall find, but not chronicles; astronomy with astrological aims; ritual, but no records.

    The American Egypt

    Channing Arnold

  • This ingenious and valuable discovery introduced a new ra in chronometry.

  • Our chronometry depends on the annual motion of the Earth round the Sun.

British Dictionary definitions for chronometry


  1. the science or technique of measuring time with extreme accuracy
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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