(a.) Pertaining to derived from or designating, an acid, H2B4O7 (called also tetraboric acid), which is the acid ingredient of ordinary borax, and is obtained by heating boric acid.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pyroboric. Retrieved September 26, 2026, from http://smartdefine.org/pyroboric/definitions/2051377 |
| Chicago | Webster's. 2011. "pyroboric" http://smartdefine.org/pyroboric/definitions/2051377 (accessed September 26, 2026). |
| Harvard | Webster's 2011, pyroboric, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/pyroboric/definitions/2051377>. |
| MLA | Webster's. "pyroboric" 27 May 2011. Web. 26 September 2026. <http://smartdefine.org/pyroboric/definitions/2051377> |