as in noncombustible
incapable of being burned
we keep our important papers in an incombustible safe in the basement
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Recent Examples of incombustible
The Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.
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Chicago Tribune Staff, Chicago Tribune, 22 May 2022
The Chicago Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.
—Kori Rumore, chicagotribune.com, 1 Oct. 2021
In October, scientists announced a new prototype of a lithium-ion battery that’s flexible and incombustible, eliminating in one fell swoop two of the biggest safety complaints about these batteries.
—Caroline Delbert, Popular Mechanics, 2 Dec. 2019
Omnis said combustible Reynobond PE material was safe to use on high rise buildings if the insultation material usually put behind the panels was made of incombustible material such as mineral fibre.
—Reuters, Fortune, 26 June 2017
Chicago Tribune Staff, Chicago Tribune, 22 May 2022
The Chicago Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.
—Kori Rumore, chicagotribune.com, 1 Oct. 2021
In October, scientists announced a new prototype of a lithium-ion battery that’s flexible and incombustible, eliminating in one fell swoop two of the biggest safety complaints about these batteries.
—Caroline Delbert, Popular Mechanics, 2 Dec. 2019
Omnis said combustible Reynobond PE material was safe to use on high rise buildings if the insultation material usually put behind the panels was made of incombustible material such as mineral fibre.
—Reuters, Fortune, 26 June 2017
Recent Examples of Synonyms for incombustible
Adjective
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So houses are mostly Mediterranean, wrapped with stucco or fiber cement — noncombustible materials — with a few splashes of stone and brick thrown in.—
Jack Flemming,
Los Angeles Times,
19 Feb. 2025
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Other tips include installing ember-resistant vents, fire-retardant roofs and building the first 6 inches of exterior walls with noncombustible materials, like brick.—
Karissa Waddick,
USA TODAY,
16 Jan. 2025
Adjective
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Aiming to make a fireproof ship, Gibbs had insisted the S.S. United States be free of wood.—
Sonja Anderson,
Smithsonian Magazine,
14 Feb. 2025
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How to Safely Store Your Paper Documents Keep your documents in a fireproof container, whether that’s a lockbox or a safe.—
Ron Lieber,
New York Times,
14 Feb. 2025
Adjective
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Miller also recommended a buffer zone between homes and wildland areas, which would be kept clear and contain nonflammable vegetation.—
Denise Chow,
NBC News,
22 Jan. 2025
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The reaction produces a nonflammable carbon material, thereby slowing a blaze to buy firefighters time.—
Minyvonne Burke,
NBC News,
17 Jan. 2025
Cite this Entry
“Incombustible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/incombustible. Accessed 3 Mar. 2025.
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