flame retardantflame retardant
A substance that is applied to fabric, wood, or other material in order to make it resistant to catching fire. Also called fire retardant.
(comparative more flame-retardant, superlative most flame-retardant)
- Used to describe something that is hard to ignite; that does not support or convey flame.
- A substance used to make an object flameproof.
- The flame-retardant used on the child's pajamas would keep them from bursting into flame, but it caused a rash.