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The microscopic dust grains in the cloud come in various sizes, though all are generally on the order of a micron.—Phil Plait, Scientific American, 13 Feb. 2025 Each stone is measured and matched with a basket that has been cut for diameter and depth at micron levels to ensure the perfect fit.—Paige Reddinger, Robb Report, 28 Jan. 2025 The number stands for the respirator’s efficiency at filtering out particles that are 0.3 microns or larger.—Bruce Y. Lee, Forbes, 10 Jan. 2025 The holes are 400 microns in diameter, per the company's Instagram page, which suggests that users can feel the holes with their fingertips.—Ars Technica, 23 Dec. 2024 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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