(n.) A white or gray crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors on porcelain, and as a soap. It occurs native in certain mineral springs, and is made from the boric acid of hot springs in Tuscany. It was originally obtained from a lake in Thibet, and was sent to Europe under the name of tincal. Borax is a pyroborate or tetraborate of sodium, Na2B4O7.10H2O.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). borax. Retrieved September 21, 2026, from http://smartdefine.org/borax/definitions/1981658 |
| Chicago | Webster's. 2011. "borax" http://smartdefine.org/borax/definitions/1981658 (accessed September 21, 2026). |
| Harvard | Webster's 2011, borax, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/borax/definitions/1981658>. |
| MLA | Webster's. "borax" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/borax/definitions/1981658> |