- (a.) Shining with a phosphoric light; luminous without sensible heat.
- (n.) A phosphorescent substance.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). phosphorescent. Retrieved September 21, 2026, from http://smartdefine.org/phosphorescent/definitions/2044909 |
| Chicago | Webster's. 2011. "phosphorescent" http://smartdefine.org/phosphorescent/definitions/2044909 (accessed September 21, 2026). |
| Harvard | Webster's 2011, phosphorescent, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/phosphorescent/definitions/2044909>. |
| MLA | Webster's. "phosphorescent" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/phosphorescent/definitions/2044909> |