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Definition of "metrology" [me•trol•o•gy]

  • The science that deals with measurement. (noun)
  • A system of measurement. (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 "metrology" in a sentence
  • "In science, he is famous for many developments in metrology, astronomy and seismology."
  • "In fact, metrology is concerned with nothing less than finding a method of being able to control the constancy of the international prototype metre, the basis of the whole metric system, so accurately that not only will every change, however small, which could possibly occur in it be accurately measured, but also if the prototype were entirely lost, it could nevertheless be reproduced so exactly that no microscope could ever reveal any divergence from the original prototype."
  • "No there is a a whole branch of science called metrology (not meteorology) devoted to instrument calibration as has been correctly pointed out."
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