ultrafiltration

noun

ul·​tra·​fil·​tra·​tion ˌəl-trə-fil-ˈtrā-shən How to pronounce ultrafiltration (audio)
: 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)
ultrafiltrate noun

Example Sentences

Recent Examples on the Web 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 A new recycling system uses a combination of ultrafiltration, nanofiltration, reverse osmosis, and evaporator systems to restore waste water through purely physical means, without adding chemicals. Mark Durham, WIRED, 30 Jan. 2007

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ultrafiltration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of ultrafiltration was in 1908

Dictionary Entries Near ultrafiltration

Cite this Entry

“Ultrafiltration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrafiltration. Accessed 2 Dec. 2022.

Medical Definition

ultrafiltration

noun

ul·​tra·​fil·​tra·​tion ˌəl-trə-fil-ˈtrā-shən How to pronounce ultrafiltration (audio)
: 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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