borax
A white or gray/grey crystalline salt, found in nature as a mineral, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors/colours on porcelain, and as a soap, etc.
Other meanings
The sodium salt of boric acid, Na2B4O7, either anhydrous or with 5 or 10 molecules of water of crystallization.
Cheap or tawdry furniture or other works of industrial design.
Word history
From Arabic "بَوْرَق".
Where this comes from
This definition is adapted from “borax” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.