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noncombustible

[non-kuh m-buhs-tuh-buh l]
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adjective
  1. not flammable.
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noun
  1. a noncombustible substance.
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Origin of noncombustible

First recorded in 1965–70; non- + combustible
Related formsnon·com·bus·ti·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

concreteasbestosfire-resistantincombustiblenoncombustiblenonflammable