fire·​proof·​ing ˈfī(-ə)r-ˌprü-fiŋ How to pronounce fireproofing (audio)
: material used to make something fireproof
asbestos used as fireproofing
: 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

Time Traveler
The first known use of fireproofing was in 1838

Dictionary Entries Near fireproofing

Cite this Entry

“Fireproofing.” Dictionary, Merriam-Webster, Accessed 27 Jan. 2023.

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