fire-retardant

[ fahyuh r-ri-tahr-dnt ]
/ ˈfaɪər rɪˌtɑr dnt /

adjective

able to slow or check the spread of destructive fire.

Origin of fire-retardant

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019