flameproof

[ fleym-proof ]

adjective

1. resisting the effect of flames; not readily ignited or burned by flames.

verb (used with object)

1. to make flameproof.

flameproof

/ ˈfleɪmˌpruːf /

adjective

1. not liable to catch fire or be damaged by fire
2. (of electrical apparatus) designed so that an internal explosion will not ignite external flammable gas

Word History and Origins

Origin of flameproof¹

First recorded in 1885–90; flame + -proof

Example Sentences

Construction with flameproof materials, the agency said, could slow fires when they reach communities and make buildings less likely to burn.

From Washington Post