Fine particulate matter air pollution, or tiny particles measuring less than 2.5 micrometers in diameter—30 times thinner than a human hair—reached levels over 16 times the safe limit.—Olivia Ferrari, Smithsonian Magazine, 16 July 2024 The Shoji Takeuchi Research Group at the University of Tokyo
In practice, the rotator seems to work as described, spinning at an average speed of about 20 to 40 micrometers per second.—Michael Irving, New Atlas, 10 July 2024 Particles that are less than 10 micrometers and 2.5 micrometers in diameter are called PM10 and PM2.5, respectively.—Kristi Tanner, Detroit Free Press, 5 July 2024 Separating the silver conductors also proves challenging because they’re applied in a very thin layer–about 10 to 20 micrometers–that is strongly attached to the silicon.—IEEE Spectrum, 17 June 2024 See all Example Sentences for micrometer
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'micrometer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
Noun (1)
French micromètre, from micr- + -mètre -meter
Noun (2)
International Scientific Vocabulary micr- + meter entry 3
Share