incombustible

Incapable of burning.

An incombustible object or material.

Not combustible; incapable of being burned or consumed by fire.

A substance or thing that will not burn, or cannot be consumed by fire.

Not combustible; not capable of being burned, decomposed, or consumed by fire; uninflammable

a tissue of amianthus or asbestus; also, a fabric imbued with an incombustible substance.

Not capable of catching fire and burning; not flammable.

Any substance that is not flammable.

not capable of igniting and burning