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Definition of: borax
(bôr′aks, bō′raks) noun
A white crystalline compound, Na2B4O7·10H2O, with a sweetish, alkaline taste, found native as tincal, and used as an antiseptic, in preserving food, in medicine, and as a flux, also of value in glass–manufacture and certain smelting operations. [<OF boras <Med. L borax <Arabic bōraq <Persian būrah]
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