Meaning of asphyxiant

as•phyx•i•ant

Pronunciation: (as-fik'sē-unt), [key]
— adj.
  1. asphyxiating or tending to asphyxiate.
—n.
  1. an asphyxiating agent or substance.
  2. an asphyxiating condition.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.