What is another word for more noncombustible?
Pronunciation: [mˈɔː nˌɒnkəmbˈʌstəbə͡l] (IPA) 
There are many words that can be used as synonyms for the phrase "more noncombustible." These words include fire-resistant, flame-retardant, fireproof, nonflammable, incombustible, and non-combustible. Each of these words implies a level of safety and protection against fire hazards. Fire-resistant and flame-retardant materials are designed to slow down the spread of fire, while fireproof and nonflammable materials will not burn at all. Incombustible and non-combustible are similar in that they both mean resistant to burning, but incombustible implies that the material cannot be burned at all, while non-combustible implies that the material is less likely to burn than other materials.
