from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Incapable of burning.
  • n. An incombustible object or material.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not capable of catching fire and burning; not flammable.
  • n. Any substance that is not flammable.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not combustible; not capable of being burned, decomposed, or consumed by fire; uninflammable

from The Century Dictionary and Cyclopedia

  • Not combustible; incapable of being burned or consumed by fire.
  • n. A substance or thing that will not burn, or cannot be consumed by fire.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not capable of igniting and burning


from Wiktionary, Creative Commons Attribution/Share-Alike License

From in- + combust + -ible.


  • As the oil spreads across the surface, it mixes with the water into an incombustible sludge with the consistency of mayonnaise.

    Oil Spill Estimates Raised Fivefold

  • Rock dust is incombustible material and is used to coat coal mines to reduce the chances of explosions.

    Regulators Say West Virginia Mine Didn't Meet Safety Standards

  • At the moment when she makes her entrance into this history which we are relating, she was an antique virtue, an incombustible prude, with one of the sharpest noses, and one of the most obtuse minds that it is possible to see.

    Les Miserables

  • A plant or vegetable consumed to ashes to a contemplative and school-philosopher seems utterly destroyed, and the form to have taken his leave for ever; but to a sensible artist the forms are not perished, but withdrawn into their incombustible part, where they lie secure from the action of that devouring element.

    Religio Medici

  • For mother was a special creature (as I suppose we all are), being the warmest of the warm, when fired at the proper corner; and yet, if taken at the wrong point, you would say she was incombustible.

    Lorna Doone

  • They pushed forward galleries formed of hurdles of green reeds, and oaken semicircles like enormous shields gliding on three wheels; the workers were sheltered in little huts covered with raw hides and stuffed with wrack; the catapults and ballistas were protected by rope curtains which had been steeped in vinegar to render them incombustible.


  • This is the incombustible wood put down by Paganel in his list of Australian products.

    In Search of the Castaways

  • Everything — framework, hull, houses, cabins — were made of straw-paper turned hard as metal by compression, and — what was not to be despised in an apparatus flying at great heights — incombustible.

    Robur the Conqueror

  • Therefore it is called Asbeston, which is as much to say as incombustible.

    Five books of the lives, heroic deeds and sayings of Gargantua and his son Pantagruel

  • Various methods have been devised to cover thatched roofs with an incombustible coating.

    Chapter 8


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