noun🔗Share不燃性物質Any substance that is not flammable."The construction of the fireplace used incombustible such as brick and stone to prevent fires from spreading. "暖炉の建設には、火災の延焼を防ぐためにレンガや石などの不燃性物質が使用されました。substancematerialchemistryChat with AIVocabulary GamePractice Reading
adjective🔗Share不燃性の, 燃えないNot capable of catching fire and burning; not flammable."The building materials used for the school's walls were chosen to be incombustible to prevent fires from spreading quickly. "学校の壁に使用された建築材料は、火災の急速な拡大を防ぐために不燃性に選ばれました。materialsubstancechemistryscienceChat with AIVocabulary GamePractice Reading
