[ uhl-truh-fil-ter ]
/ ˌʌl trəˈfɪl tər /
Physical Chemistry. a filter for purifying sols, having a membrane with pores sufficiently small to prevent the passage of the suspended particles.
verb (used with object)
Physical Chemistry. to purify by means of an ultrafilter.
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Related formsul·tra·fil·tra·tion [uhl-truh-fil-trey-shuh n] /ˌʌl trə fɪlˈtreɪ ʃən/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ultra filtration (1 of 2)
engineering filtration that removes particles less than 10 microns (10 –6 m) in diameter
British Dictionary definitions for ultra filtration (2 of 2)
/ (ˌʌltrəˈfɪltə) /
a filter with small pores used to separate very small particles from a suspension or colloidal solution
Derived Formsultrafiltration (ˌʌltrəfɪlˈtreɪʃən), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012