antismog
Also found in: Medical.
an·ti·smog
(ăn′tē-smŏg′, -smôg′, ăn′tī-)adj.
Intended to reduce pollutants that cause smog: antismog devices for cars and power plants.
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.
antismog
(ˌæntɪˈsmɒɡ)adj
acting to reduce smog, aimed at preventing smog
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014