ultrafine

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of ultrafine Purdue University researchers have uncovered just what happens when hair-styling products meet heat, providing the first quantitative evidence that everyday haircare routines can be a significant source of indoor nanoparticle (or, more specifically, ultrafine particle) emissions. New Atlas, 23 Aug. 2025 Uneven coffee grinds, with lots of ultrafine particles or giant boulders, will cause uneven extraction. Matthew Korfhage, Wired News, 13 Aug. 2025 In recent years, the trend has been moving in the direction of ultrafine eyebrow pencils that mimic the shadows created by individual eyebrow hairs. Bestreviews, Chicago Tribune, 7 Mar. 2025 These unique characteristics make ultrafine particles particularly dangerous, leading to a range of adverse health problems. Discover Magazine, 1 Nov. 2024 See All Example Sentences for ultrafine
Recent Examples of Synonyms for ultrafine
superfine
Adjective
  • Heritage luxury house Johnstons of Elgin make a gorgeous version of the plain white tee in cashmere, easily styled with all manner of outfits from beach shorts to evening suits, or a more relaxed cut in superfine merino.
    Nick Hendry, Robb Report, 19 Sep. 2025
  • Utilizing superfine lava, silica, and seawater sourced straight from the Blue Lagoon, this removed all the gunk from my nose pores in a 10-minute treatment.
    Jenny Berg, Vogue, 8 Sep. 2025

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Cite this Entry

“Ultrafine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrafine. Accessed 6 Oct. 2025.

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