(n.) A vitrified sand tube produced by the striking of lightning on sand; a lightning tube; also, the portion of rock surface fused by a lightning discharge.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). fulgurite. Retrieved September 20, 2026, from http://smartdefine.org/fulgurite/definitions/2010591 |
| Chicago | Webster's. 2011. "fulgurite" http://smartdefine.org/fulgurite/definitions/2010591 (accessed September 20, 2026). |
| Harvard | Webster's 2011, fulgurite, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/fulgurite/definitions/2010591>. |
| MLA | Webster's. "fulgurite" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/fulgurite/definitions/2010591> |