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asphyxiant

[as-fik-see-uh nt]
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adjective
  1. asphyxiating or tending to asphyxiate.
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noun
  1. an asphyxiating agent or substance.
  2. an asphyxiating condition.
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Origin of asphyxiant

First recorded in 1850–55; asphyxi(ate) + -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for asphyxiant

asphyxiant

adjective
  1. causing asphyxia
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noun
  1. anything that causes asphyxiacarbon monoxide is an asphyxiant
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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
asphyxiant in Medicine

asphyxiant

(ăs-fĭk′sē-ənt)
adj.
  1. Inducing or tending to induce asphyxia.
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n.
  1. A substance, such as a toxic gas, or an event, such as drowning, that induces asphyxia.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.