fireproofing

noun

fire·​proof·​ing ˈfī(-ə)r-ˌprü-fiŋ 

1

: material used to make something fireproof

asbestos used as fireproofing

2

: the act of making something fireproof : the act of protecting something using fireproof materials

When the temperature reaches 2,000 degrees, fireproofing becomes a joke.

—Thaddeus Kusmierski

fireproofing adjective

a fireproofing treatment

fireproofing agents

Word History

First Known Use

1838, in the meaning defined at sense 2