1
: the science of weights and measures or of measurement
2
: a system of weights and measures

Examples of metrology in a Sentence

Recent Examples on the Web
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Omega, in conjunction with the Swiss institute of metrology, METAS, a government body, certifies the watch to Master Chronometer levels, stipulating daily accuracy of -0/+5 seconds and a resistance to magnetic fields up to 15,000 gauss, among other criteria. Chris Hall, WIRED, 10 Dec. 2024 For the all-important lithography machines, used for printing patterns on silicon wafers, and metrology equipment, used for quality control in a production process that demands hundreds of steps, Chinese firms rely overwhelmingly on imports from Japan, the United States, and Europe. Dan Wang, Foreign Affairs, 28 Feb. 2023

Word History

Etymology

French métrologie, from Greek metrologia theory of ratios, from metron measure — more at measure

First Known Use

1801, in the meaning defined at sense 1

Time Traveler
The first known use of metrology was in 1801

Browse Nearby Words

Cite this Entry

“Metrology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metrology. Accessed 22 Mar. 2025.

Medical Definition

metrology

noun
plural metrologies
1
: the science of weights and measures or of measurement
2
: a system of weights and measures

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