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Definition of "chronometer" [chro•nom•e•ter]

  • An exceptionally precise timepiece. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "chronometer" in a sentence
  • "A chronometer is strapped to their wrist, but subjects reported their free-fall lasted longer than the chronometer recorded."
  • "The evolutionary chronometer is a measure of ancient origins — it cannot pick up divergence into separate breeding lines that has occurred in the past few hundred years."
  • "The chronometer, which is merely the least imperfect time-piece man has devised, makes possible the surest and easiest method by far of ascertaining longitude."