incombustibles
/ˌɪnkəmˈbʌstəbəlz/
noun
- Materials or objects that cannot be burned; fireproof items.
- The building code requires that certain incombustibles be used in the walls to prevent fire spread.
- The factory stores all incombustibles, like metal and glass, in a separate area from flammable materials.
- During the fire drill, we learned to identify incombustibles such as concrete and steel.
Synonyms