(n.) An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; -- called also phenylene violet.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). thionine. Retrieved September 25, 2026, from http://smartdefine.org/thionine/definitions/2072130 |
| Chicago | Webster's. 2011. "thionine" http://smartdefine.org/thionine/definitions/2072130 (accessed September 25, 2026). |
| Harvard | Webster's 2011, thionine, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/thionine/definitions/2072130>. |
| MLA | Webster's. "thionine" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/thionine/definitions/2072130> |