Dictionary.com
definitions
  • synonyms

noncombustible

[non-kuh m-buhs-tuh-buh l]
See more synonyms for noncombustible on Thesaurus.com
adjective
  1. not flammable.
Show More
noun
  1. a noncombustible substance.
Show More

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