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To accomplish this filtering, the instrument uses an etalon — two glass plates separated by mere microns.—Kameryn Griesser, CNN Money, 29 Apr. 2025 For particulate pollution smaller than 2.5 microns across, known as PM2.5, the report analyzed both daily and annual pollution levels.—Rebecca Dzombak, New York Times, 23 Apr. 2025 They are then crafted by artisans in Jaipur, using brass-plated with 3 microns of 18-karat gold and set with semiprecious stones.—Devorah Lauter, WWD, 31 Jan. 2025 Its filter is designed to capture 99.97% of airborne particles 0.3 microns in size for cleaner, less musty air.—Julia Harrison, Architectural Digest, 4 Apr. 2025 See All Example Sentences for micron
Word History
Etymology
New Latin, from Greek mikron, neuter of mikros small — more at micr-
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