Definitions

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

  • adj. Impervious or resistant to damage by fire.
  • transitive v. To make fireproof.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Resistant to damage from fire.
  • v. To make resistant to damage from fire.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Proof against fire; incombustible.

from The Century Dictionary and Cyclopedia

  • Proof against fire; so constructed or protected as to be incombustible.
  • To render proof against fire by some protecting cover, by chemical treatment, or by construction with incombustible materials.

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

  • adj. impervious to damage by fire
  • v. make resistant to fire

Etymologies

fire +‎ -proof (Wiktionary)

Examples

  • The term fireproof buildings shall apply to all buildings in which the principal parts are made of incombustible materials, these principal parts consisting mainly in walls, floor construction, roof construction, furring, ceiling, stairs and all shaft enclosures.

    The code of the city of Charlottesville, Virginia

  • In the movie the word fireproof is used a couple of times from one firefighter to another specifically talking about marriage.

    Hollywood.com - Recent News

  • The destructive consequences attending fire in such buildings, whose iron and masonry construction is called fireproof, show that some other form of construction is necessary to obtain the desired results of minimizing the annual cost of the maintenance of the invested capital, as represented by insurance, depreciation, interest and taxation.

    The American Architect and Building News, Vol. 27, No. 733, January 11, 1890

  • It is needless to say that when wooden doors are lined, they should be lined on both sides; but frequently we find so-called fireproof doors lined on one side only.

    Scientific American Supplement, No. 520, December 19, 1885

  • Once known as Temple Court, 5 Beekman Street was built in 1882 and today is the earliest surviving "fireproof" office building of the pre-skyscraper period.

    Nick Carr: The Abandoned Palace at 5 Beekman Street

  • How indispensable osseogen becomes may be realized when people begin to know enough about themselves to realize that our bone structure must be "fireproof" in order to last for the normal span of human life!

    Valere Aude Dare to Be Healthy, Or, The Light of Physical Regeneration

  • Company after company dashed into the blazing "fireproof" building, urged by the hoarse profanity of the chief.

    The Poisoned Pen

  • My impression is that "fireproof," in the American tongue, is one of those agreeable but quite meaningless phrases which adorn the languages of all nations.

    Your United States Impressions of a first visit

  • Despite the efforts of the firemen, the flames made rapid progress, and in an hour the "fireproof" building was known to be doomed.

    Richard Dare's Venture

  • If a homeowner permits the creosote to construct up, it can catch fire and cause cracks within the "fireproof" brick, stone, or clay flue liners.

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