com·bus·ti·ble 
/kəmˈbʌstəbəl/ adjective
/kəmˈbʌstəbəl/ adjective [more combustible; most combustible] : able to be burned easily
▪ combustible gases/materials ▪ The fuel is highly/very combustible. — sometimes used figuratively ▪ a combustible situation [=a situation in which people are angry and could become violent]
▪ combustible gases/materials ▪ The fuel is highly/very combustible. — sometimes used figuratively ▪ a combustible situation [=a situation in which people are angry and could become violent]
— combustible noun, plural combustibles [count]
▪ combustibles such as coal and gasoline
▪ combustibles such as coal and gasoline
