flame retardant

noun

1. a compound used in cloth and plastic material to raise the ignition point of the material, thus making it resistant to fire.

Word History and Origins

Origin of flame retardant¹

First recorded in 1945–50

Example Sentences

The flame retardants that keep your electronics from easily combusting are not delicious or nutritious, either.

From Popular-Science

Many plastic products have also been augmented with all kinds of additives like pigments and flame retardants.

From Singularity Hub 

Plastic items often contain dyes, flame retardants and other additives.

From Science News For Students