(n.) A compact, feldspathic, igneous rock containing nephelite, hauynite, etc. Thin slabs give a ringing sound when struck; -- called also clinkstone.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). phonolite. Retrieved September 22, 2026, from http://smartdefine.org/phonolite/definitions/2044866 |
| Chicago | Webster's. 2011. "phonolite" http://smartdefine.org/phonolite/definitions/2044866 (accessed September 22, 2026). |
| Harvard | Webster's 2011, phonolite, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/phonolite/definitions/2044866>. |
| MLA | Webster's. "phonolite" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/phonolite/definitions/2044866> |