non·​in·​flam·​ma·​ble ˌnän-in-ˈfla-mə-bəl How to pronounce noninflammable (audio)
: not inflammable : nonflammable
… one of the very first airships to use noninflammable helium.Bob Marcotte
a noninflammable solvent

Word History

First Known Use

1817, in the meaning defined above

Time Traveler
The first known use of noninflammable was in 1817

Dictionary Entries Near noninflammable

Cite this Entry

“Noninflammable.” Dictionary, Merriam-Webster, Accessed 7 Jun. 2023.

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