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[bree-th uh-buh l] /ˈbri ðə bəl/
able or fit to be breathed:
filters to make the air more breathable.
allowing the passage of air and moisture:
a breathable fabric.
Origin of breathable
First recorded in 1725-35; breathe + -able
Related forms
breathability, breathableness, noun
unbreathable, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for breathable
Historical Examples
  • What are the odds, that the air of Sirius Three is breathable, he wondered.

    The Quantum Jump Robert Wicks
  • By now the air was breathable, and he could see into the deserted Gulch.

  • "Titan's new atmosphere is clean and breathable, now, Bert," Alice went on.

    Big Pill Raymond Zinke Gallun
  • By their explosion we on Venus could determine whether or not this world had a breathable atmosphere.

  • She spoke, now, with her helmet face-window open, for there was breathable air around them.

    Big Pill Raymond Zinke Gallun
  • I know now that by some vagary of chance—of fate if you will—I had struck a surface area where breathable air still remained.

    Tarrano the Conqueror Raymond King Cummings
  • The air was hot, but breathable at times, and he filled his lungs till he had difficulty in keeping his body down below.

    Monarch, The Big Bear of Tallac

    Ernest Thompson Seton
  • But there would be breathable amounts for many thousands of centuries yet to come.

    Lonesome Hearts Russell Robert Winterbotham
  • The air outside was breathable, but would the diffuse, unorthodox gases injure his lungs?

    The Sky Trap Frank Belknap Long
  • Growing plants kept the air in their greenhouse fresh and breathable by photosynthesis.

    Asteroid of Fear Raymond Zinke Gallun
British Dictionary definitions for breathable


(of air) fit to be breathed
(of a material) allowing air to pass through so that perspiration can evaporate
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
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