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Synonyms

asphyxiant

American  
[as-fik-see-uhnt] / æsˈfɪk si ənt /

adjective

  1. asphyxiating or tending to asphyxiate.


noun

  1. an asphyxiating agent or substance.

  2. an asphyxiating condition.

asphyxiant British  
/ æsˈfɪksɪənt /

adjective

  1. causing asphyxia

"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

noun

  1. anything that causes asphyxia

    carbon monoxide is an asphyxiant

"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

Etymology

Origin of asphyxiant

First recorded in 1850–55; asphyxi(ate) + -ant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They also express concerns about the safety of storing large amounts of carbon dioxide, an asphyxiant, in a densely populated community.

From Seattle Times

Pipelines for CO2 transport the gas at high pressure and at a high enough concentration to make it an asphyxiant.

From The Verge

High concentrations of carbon dioxide, if it leaks out of pipelines or storage wells, can be an asphyxiant to people and wildlife.

From The Verge

At high concentrations, carbon dioxide is a dangerous asphyxiant.

From The Verge

CO2 might sound harmless — but at high concentrations, it’s an asphyxiant Despite the growing support for carbon capture, there’s not a lot of information out there for the public about what this proposed new infrastructure could mean for communities like Satartia.

From The Verge