ul·​tra·​fil·​tra·​tion | \ ˌəl-trə-fil-ˈtrā-shən \

Definition of ultrafiltration

: 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)

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Other Words from ultrafiltration

ultrafiltrate \ ˌəl-​trə-​ˈfil-​ˌtrāt \ noun

Examples of ultrafiltration in a Sentence

Recent Examples on the Web

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, "Retrieving Gold, and More, From Wastewater," 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, "BMW Diesel Engine Plant Eliminates Waste Water," 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.

First Known Use of ultrafiltration

1908, in the meaning defined above

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The first known use of ultrafiltration was in 1908

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More Definitions for ultrafiltration


ul·​tra·​fil·​tra·​tion | \ ˌəl-trə-fil-ˈtrā-shən \

Medical Definition of ultrafiltration

: 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)

More from Merriam-Webster on ultrafiltration

Britannica.com: Encyclopedia article about ultrafiltration

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