Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to kernite: borax, ulexite


A colorless to white lustrous crystalline mineral, Na2B4O7·4H2O, that is a major source of ore of boron.

[After Kern, a county of southern California.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Minerals) 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
[C20: from Kern County, California, where it was found + -ite1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkɜr naɪt)

a mineral, hydrated sodium borate, Na2B4O7∙4H2O, occurring in colorless crystals: the principal source of boron.
[1925–30; after Kern County, Calif.; see -ite1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.kernite - a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron
atomic number 5, boron, B - a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Some of the commonly used commercial boron derivatives are borax, colemanite, ulexite, kernite, probertite and szaibelyite (Ozkan et al., 1997).
Boron is a chemical element, which is found in nature in the form of borax and kernite. While it has been used since old times, it has gained wide popularity and extensive usage by the advancement of technology.
(28) The loss of which is observable in such other examples as kernite > kernit (mineral type).