(a.) Relating to or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz or augite, in a relatively fine-grained base, often aphanitic or cryptocrystalline.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). porphyritic. Retrieved September 26, 2026, from http://smartdefine.org/porphyritic/definitions/2047611 |
| Chicago | Webster's. 2011. "porphyritic" http://smartdefine.org/porphyritic/definitions/2047611 (accessed September 26, 2026). |
| Harvard | Webster's 2011, porphyritic, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/porphyritic/definitions/2047611>. |
| MLA | Webster's. "porphyritic" 27 May 2011. Web. 26 September 2026. <http://smartdefine.org/porphyritic/definitions/2047611> |