1. to make something resistant to fire or less likely to burn
Usage: third-person singular present tense or plural form

1. materials or substances that are resistant to fire; items treated to resist burning
Usage: plural form

Examples

• The factory fireproofs all curtains before shipping them to customers.
• Modern building codes require that insulation fireproofs the walls.
• These fireproofs are made from special chemical compounds.
• The contractor applied fireproofs to the wooden beams to meet safety standards.
• New regulations fireproof all upholstered furniture sold in the state.
• The tent manufacturer fireproofs the fabric to protect campers.
• Industrial fireproofs help prevent the spread of flames in warehouses.