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Inducing or tending to induce asphyxia.
A substance, such as a toxic gas, or an event, such as drowning, that induces asphyxia.
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.
(Pathology) causing asphyxia
(Pathology) anything that causes asphyxia: carbon monoxide is an asphyxiant.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014