(n.) Arsenic sulphide, a mineral of a brilliant red color; red orpiment. It is also an artificial product.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). realgar. Retrieved September 23, 2026, from http://smartdefine.org/realgar/definitions/2052920 |
| Chicago | Webster's. 2011. "realgar" http://smartdefine.org/realgar/definitions/2052920 (accessed September 23, 2026). |
| Harvard | Webster's 2011, realgar, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/realgar/definitions/2052920>. |
| MLA | Webster's. "realgar" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/realgar/definitions/2052920> |