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| bo·rax [ báw ràks, báwrəks ] |
noun |
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| Definition: |
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boron ore: a white crystalline solid that is an ore of boron. Source: alkaline soils, salt deposits. Use: cleaning agent, water softener, preservative. Na2B4O7.10H2O
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| [14th century. Via medieval Latin and colloquial Arabic< Pahlavi būrak] |
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