ultrafiltration
noun
ul·tra·fil·tra·tion
ˌəl-trə-fil-ˈtrā-shən 
: filtration through a medium (such as a semipermeable capillary wall) which allows small molecules (as of water) to pass but holds back larger ones (as of protein)
Examples of ultrafiltration in a Sentence
Recent Examples on the Web
This leads to the ultrafiltration of plasma (the liquid portion of blood) in the wound.
—
Laura Schober, Health, 27 Dec. 2024
Depending on the type of filter, the barrier provides either microfiltration, ultrafiltration, or nanofiltration.
—Jeffrey Kluger, TIME, 9 Aug. 2024
Most leading nephrologists worldwide agree that dialysis should ideally be delivered in long, frequent sessions at low ultrafiltration rates, and be carefully tailored to each patient’s physiology.
—Tom Mueller, STAT, 25 Aug. 2023
This whey protein isolate is exceptionally high quality and uses cutting edge microfiltration and ultrafiltration membrane technology.
—Amber Smith, Discover Magazine, 12 Oct. 2022
Its Tetra Pak ultrafiltration system developed in Iceland also helps reduce lactose content by half.
—Douglas Yu, Forbes, 7 Sep. 2021
Master Water products include water softeners, filters and ultrafiltration systems, which are sold under the names Alliance, Clarifier, MasterFusion, Satin Series, PuroPro, UltraPro and Clear Reflections, among others.
—Joe Taschler, Milwaukee Journal Sentinel, 27 July 2021
On heart failure, the clinical guideline has ultrafiltration at the end of the continuum of care.
—Todd Nelson, Star Tribune, 2 May 2021
Another technique, combining water-soluble metal-binding polymers with ultrafiltration, also has been shown to be effective in selectively recovering various metals.
—C. Claiborne Ray, New York Times, 1 Sep. 2017
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Laura Schober, Health, 27 Dec. 2024
Depending on the type of filter, the barrier provides either microfiltration, ultrafiltration, or nanofiltration.
—Jeffrey Kluger, TIME, 9 Aug. 2024
Most leading nephrologists worldwide agree that dialysis should ideally be delivered in long, frequent sessions at low ultrafiltration rates, and be carefully tailored to each patient’s physiology.
—Tom Mueller, STAT, 25 Aug. 2023
This whey protein isolate is exceptionally high quality and uses cutting edge microfiltration and ultrafiltration membrane technology.
—Amber Smith, Discover Magazine, 12 Oct. 2022
Its Tetra Pak ultrafiltration system developed in Iceland also helps reduce lactose content by half.
—Douglas Yu, Forbes, 7 Sep. 2021
Master Water products include water softeners, filters and ultrafiltration systems, which are sold under the names Alliance, Clarifier, MasterFusion, Satin Series, PuroPro, UltraPro and Clear Reflections, among others.
—Joe Taschler, Milwaukee Journal Sentinel, 27 July 2021
On heart failure, the clinical guideline has ultrafiltration at the end of the continuum of care.
—Todd Nelson, Star Tribune, 2 May 2021
Another technique, combining water-soluble metal-binding polymers with ultrafiltration, also has been shown to be effective in selectively recovering various metals.
—C. Claiborne Ray, New York Times, 1 Sep. 2017
Cite this Entry
“Ultrafiltration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrafiltration. Accessed 30 Oct. 2025.
Copy CitationMedical Definition
ultrafiltration
noun
ul·tra·fil·tra·tion
ˌəl-trə-fil-ˈtrā-shən
: filtration through a medium (as a semipermeable capillary wall) which allows small molecules (as of water) to pass but holds back larger ones (as of protein)
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