(a.) Not combustible; not capable of being burned, decomposed or consumed by fire; uninflammable; as, asbestus is an incombustible substance; carbon dioxide is an incombustible gas.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). incombustible. Retrieved September 24, 2026, from http://smartdefine.org/incombustible/definitions/2020338 |
| Chicago | Webster's. 2011. "incombustible" http://smartdefine.org/incombustible/definitions/2020338 (accessed September 24, 2026). |
| Harvard | Webster's 2011, incombustible, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/incombustible/definitions/2020338>. |
| MLA | Webster's. "incombustible" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/incombustible/definitions/2020338> |