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Recent Examples of ultrafine
The smallest, what are called ultrafine particles, even slip through the alveolar capillary barrier itself, crossing into the bloodstream, and from there travel throughout the body, including to the heart, the brain, and the kidneys to initiate even more destruction and disease (see below).
—
Bill Frist, Forbes.com, 18 Sep. 2025
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
The brothers proved innovative custodians, moving the company upmarket with an insistence on ultrafine materials and groundbreaking fabrications.
—Paul Croughton, Robb Report, 10 Aug. 2025
See All Example Sentences for ultrafine
Bill Frist, Forbes.com, 18 Sep. 2025
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
The brothers proved innovative custodians, moving the company upmarket with an insistence on ultrafine materials and groundbreaking fabrications.
—Paul Croughton, Robb Report, 10 Aug. 2025
See All Example Sentences for ultrafine
Recent Examples of Synonyms for ultrafine
superfine
Adjective
-
Combine the flour, superfine sugar and salt together in a large mixing bowl and set aside.—
Anna Grace Lee,
Vogue,
22 Dec. 2025
-
Add superfine sugar, 1 tablespoon at a time, beating well after each addition and stopping to scrape down sides of bowl once or twice, until smooth, thick and glossy, 3 to 5 minutes. 3.—
Sabrina Weiss,
PEOPLE,
19 Dec. 2025
Cite this Entry
“Ultrafine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrafine. Accessed 18 Feb. 2026.
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