not respirable; unfit for breathing.
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How to use irrespirable in a sentence
Against the irrespirable air which at first enveloped it, vegetables were its saviours.The Bird | Jules Michelet
The term applied by miners to carbonic anhydride (carbonic acid) and other irrespirable gases and vapours evolved in mines.
Of or like azote, or containing it or formed from it; irrespirable; destructive to life.
The burning of sulphur produces sulphurous acid, which is an irrespirable gas.A Practical Physiology | Albert F. Blaisdell
British Dictionary definitions for irrespirable
not fit for breathing or incapable of being breathed
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