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tr.v. mi·cron·ized, mi·cron·iz·ing, mi·cron·iz·es
To reduce to particles that are only a few microns in diameter.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Chemical Engineering) to reduce (a material) to a very fine powder, esp to particles only a few microns in diameter
ˌmicroniˈzation, ˌmicroniˈsation n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014