(n.) Cyanite or kyanite; -- so called in allusion to its unequal hardness in two different directions. See Cyanite.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Disthene. Retrieved September 21, 2026, from http://smartdefine.org/disthene/definitions/1999356 |
| Chicago | Webster's. 2011. "Disthene" http://smartdefine.org/disthene/definitions/1999356 (accessed September 21, 2026). |
| Harvard | Webster's 2011, Disthene, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/disthene/definitions/1999356>. |
| MLA | Webster's. "Disthene" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/disthene/definitions/1999356> |