ultrafine
adjective
ul·tra·fine
ˌəl-trə-ˈfīn 
: fine to an extreme degree: such as
a
: extremely small, thin, or precise
ultrafine dust particles
an ultrafine needle
Color "curves," meanwhile, allow ultrafine adjustments and targeting of color and brightness ranges …—
Alexander Breindel
Alexander Breindel
b
: of extremely high quality
ultrafine wines
Examples of ultrafine in a Sentence
Recent Examples on the Web
Those ultrafine particles can also get deep inside the lungs, says Dr. Barbara Mann, an associate professor of medicine in the division of pulmonary, critical care and sleep medicine at the Icahn School of Medicine and at Mount Sinai in New York City.
—Linda Carroll, TIME, 30 May 2024
On top of this, deeply inhaling ultrafine particles combined with chemicals used to enhance the taste of e-cigarettes is linked to serious lung disease.
—Bryant Stamford, The Courier-Journal, 8 Feb. 2024
Ground measurements taken during analysis of SAS flights using a 35% SAF blend show a 30% reduction in the emission of ultrafine particles.
—Marisa Garcia, Forbes, 23 Feb. 2024
What’s most impressive is that it’s made from ultrafine merino wool — a high-quality material that’s soft to the touch — for only $50.
—Jessie Quinn, Peoplemag, 25 Jan. 2024
See all Example Sentences for ultrafine 
Linda Carroll, TIME, 30 May 2024
On top of this, deeply inhaling ultrafine particles combined with chemicals used to enhance the taste of e-cigarettes is linked to serious lung disease.
—Bryant Stamford, The Courier-Journal, 8 Feb. 2024
Ground measurements taken during analysis of SAS flights using a 35% SAF blend show a 30% reduction in the emission of ultrafine particles.
—Marisa Garcia, Forbes, 23 Feb. 2024
What’s most impressive is that it’s made from ultrafine merino wool — a high-quality material that’s soft to the touch — for only $50.
—Jessie Quinn, Peoplemag, 25 Jan. 2024
See all Example Sentences for ultrafine
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.
Dictionary Entries Near ultrafine
Cite this Entry
“Ultrafine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrafine. Accessed 27 Jul. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share