Definition of bentonite
:an absorptive and colloidal clay used especially as a sealing agent or suspending agent (as of drugs)
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Officials suspect the bentonite seeped into groundwater supplies, causing the water wells to become cloudy.
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Local officials suspect that nontoxic bentonite clay used as a lubricant during the horizontal-drilling process may have migrated into private wells.
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In a memo to the mayor, aldermen and city administrator, Deal said staff members have been using bentonite, an absorbent clay, to stop the leaks temporarily.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bentonite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of bentonite
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Britannica.com: Encyclopedia article about bentonite
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