(n.) A red dyestuff, used as a substitute for cochineal, archil, etc. It consists of the sodium salt of a complex azo derivative of naphtol.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). roccellin. Retrieved September 25, 2026, from http://smartdefine.org/roccellin/definitions/2056314 |
| Chicago | Webster's. 2011. "roccellin" http://smartdefine.org/roccellin/definitions/2056314 (accessed September 25, 2026). |
| Harvard | Webster's 2011, roccellin, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/roccellin/definitions/2056314>. |
| MLA | Webster's. "roccellin" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/roccellin/definitions/2056314> |