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
This ultrafine texture allows the dough to stretch easily without tearing and produces a soft, tender crumb with just enough chew.
—Emily Teel, Better Homes & Gardens, 7 Apr. 2026
Clinique has one liquid eyeliner on the market known for its ultrafine point for precision application.
—Bestreviews, Mercury News, 24 Mar. 2026
The technology removes salt from seawater -- most commonly by pushing it through ultrafine membranes in a process known as reverse osmosis -- to produce the freshwater that sustains cities, hotels, industry and some agriculture across one of the world's driest regions.
—Arkansas Online, 9 Mar. 2026
The technology removes salt from seawater — most commonly by pushing it through ultrafine membranes in a process known as reverse osmosis — to produce the freshwater that sustains cities, hotels, industry and some agriculture across one of the world’s driest regions.
—Annika Hammerschlag, Fortune, 8 Mar. 2026
See All Example Sentences for ultrafine
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Emily Teel, Better Homes & Gardens, 7 Apr. 2026
Clinique has one liquid eyeliner on the market known for its ultrafine point for precision application.
—Bestreviews, Mercury News, 24 Mar. 2026
The technology removes salt from seawater -- most commonly by pushing it through ultrafine membranes in a process known as reverse osmosis -- to produce the freshwater that sustains cities, hotels, industry and some agriculture across one of the world's driest regions.
—Arkansas Online, 9 Mar. 2026
The technology removes salt from seawater — most commonly by pushing it through ultrafine membranes in a process known as reverse osmosis — to produce the freshwater that sustains cities, hotels, industry and some agriculture across one of the world’s driest regions.
—Annika Hammerschlag, Fortune, 8 Mar. 2026
See All Example Sentences for ultrafine
Cite this Entry
“Ultrafine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrafine. Accessed 20 Apr. 2026.
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