flameproof

American  

[fleym-proof] / ˈfleɪmˌpruf /

adjective

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

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verb (used with object)

1. to make flameproof.

flameproof British  

/ 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

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Etymology

Origin of flameproof

First recorded in 1885–90; flame + -proof

Example Sentences

Chemicals can be used to make plastics more flexible, add colour, give sun protection or make plastic flameproof.

From Science Daily • Nov. 30, 2023

The governing body for Formula One said drivers may be subjected to checks before competition because “the wearing of jewelry underneath the required flameproof clothing can reduce the protection afforded by this equipment.”

From Seattle Times • May 6, 2022

Lay the mushrooms in a 12-inch cast-iron skillet or a flameproof roasting pan, gill side up.

From Washington Post • Sep. 8, 2017

His appetite for horrific puns, outdated rock bands and flameproof polyester garb has been as steadfast as his belief, as yet untested, that Americans still yearn for unity and resolution.

From New York Times • Feb. 9, 2016

Maybe that was because his magic firewood lifeline was safely stashed away in a flameproof pouch, or maybe it was because he’d commanded a zombie legion and been promoted to praetor.

From "Blood of Olympus" by Rick Riordan