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[kur-nahyt] /ˈkɜr naɪt/
a mineral, hydrated sodium borate, Na 2 B 4 O 7 ⋅4H 2 O, occurring in transparent colorless crystals: the principal source of boron compounds in the U.S.
Origin of kernite
1925-30; named after Kern County, California; see -ite1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for kernite
  • Borax, a chemical produced from either the mineral borax or from the mineral kernite, is often used in industry.
  • The principal boron minerals are borax, kernite, and colemanite.
  • Borax, locally called tincal, and kernite are the principal minerals.
British Dictionary definitions for kernite


a light soft colourless or white mineral consisting of a hydrated sodium borate in monoclinic crystalline form: an important source of borax and other boron compounds. Formula: Na2B4O7.4H2O
Word Origin
C20: from Kern County, California, where it was found + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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