English dictionary
borax
/'b/oU/r/&/ks/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent
Source: WordNet 3.0
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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 <i>tincal</i>. Borax is a pyroborate or tetraborate of sodium, Na2B4O7.10H2O.
Source: webster1913