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engineering filtration that removes particles less than 10 microns (10 –6 m) in diameter
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Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
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
Example sentences from the Web for ultra filtration
Ultrafiltration membranes remove more than 99 percent of bacteria, molds, and spores from drinking water, and can be used at home.
Medical definitions for ultra filtration
[ ŭl′trə-fĭl-trā′shən ]
The filtration of a colloidal substance through a semipermeable medium that allows only small molecules through.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.