noninflammable

adjective non·in·flam·ma·ble \ ˌnän-in-ˈfla-mə-bəl \

Definition of noninflammable

: not inflammable : nonflammable
  • … one of the very first airships to use noninflammable helium.
  • —Bob Marcotte
  • a noninflammable solvent

First Known Use of noninflammable

1817

in the meaning defined above

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