A common name of dolomite; -- so called because it contains magnesia, the soluble salts of which are bitter. See Dolomite.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). bitter spar. Retrieved September 26, 2026, from http://smartdefine.org/bitter_spar/definitions/1980634 |
| Chicago | Webster's. 2011. "bitter spar" http://smartdefine.org/bitter_spar/definitions/1980634 (accessed September 26, 2026). |
| Harvard | Webster's 2011, bitter spar, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/bitter_spar/definitions/1980634>. |
| MLA | Webster's. "bitter spar" 27 May 2011. Web. 26 September 2026. <http://smartdefine.org/bitter_spar/definitions/1980634> |