How to Use ultrafine in a Sentence
ultrafine
adjective-
The dust contains ultrafine particles that can penetrate cells in the lungs and cause lung and heart disease.
—Roland Pease, Science | AAAS, 20 Oct. 2020
-
Most cloth and paper masks, even those that fit well, are not designed to protect you from the ultrafine particles in wildfire smoke.
—Natalie Wallington, Popular Science, 7 June 2023
-
The river here is also flanked by 13 miles of ultrafine chain-link fence, meant to keep fish from other rivers from dumping into the channel above the fail-safe during floods.
—Sarah Zhang, Discover Magazine, 18 Feb. 2012
-
MagicFiber, a popular brand of microfiber cloth that uses ultrafine fibers to clean glass without scratching the surface, offers a pack of six for $9 on Amazon.
—New York Times, 29 Oct. 2021
-
During a facial, your facialist will typically use a a facial steamer—a steady stream of ultrafine steam—to help open your pores after cleansing.
—Ariana Yaptangco, Glamour, 22 Dec. 2021
-
One existing technique, for instance, takes over a week and requires specialized equipment to spin wheat proteins into ultrafine fibers, creating a film on which cells can grow.
—Raleigh McElvery, Smithsonian Magazine, 29 Nov. 2021
-
At Kasliwal’s Jaipur workshop, artisans begin the process by etching gold with ultrafine tools before applying paste-like pigment made from powdered glass and firing it all in a kiln.
—New York Times, 1 Mar. 2023
-
But Owen is no less fascinating, Pullman’s sharp turn pinned to where dissatisfaction leads the weak-willed (which could also be applied to Jem’s dad, and Simpson’s ultrafine portrayal of a wrecked born-again addicted to the fumes of his old life).
—Robert Abele, Los Angeles Times, 12 May 2023
-
Worse, wildfire smoke also contains even tinier bits called ultrafine particles, which have a diameter less than one-tenth of a micrometer.
—Ashley Stimpson, Popular Mechanics, 8 June 2023
-
During that time, the city of Seoul suffered from unusually high concentrations of ultrafine dust that actually did come from China.
—Dongwook Kim, Scientific American, 27 June 2022
-
Vehicles with deeper swirl marks may require a more aggressive compound first, followed by an ultrafine compound.
—Jack Keebler, Car and Driver, 6 May 2022
-
The shade mimics the texture and flexibility of sturdy canvas but consists of ceramic compounds spun into ultrafine fibers and woven together for this unique purpose.
—Dava Sobel, Discover Magazine, 26 Dec. 2011
-
Building on this promise, ultrafine precision isn’t the only benefit piezoelectric devices portend for the medical field.
—Michael Ashley, Forbes, 18 May 2021
-
Remove 99% of ultrafine particles while enjoying crisp music.
—Gaby Keiderling, Vogue, 10 Oct. 2023
-
So the conductive part of the interconnects are narrowing, especially in the ultrafine vertical connections between layers of interconnects, increasing resistance.
—IEEE Spectrum, 22 Mar. 2023
-
Other potentially harmful byproducts from ionizers are formaldehyde and ultrafine particles.
—NBC News, 14 May 2021
Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultrafine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Last Updated: