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bentonite


ben·ton·ite

noun \ˈben-tə-ˌnīt\

Definition of BENTONITE

: an absorptive and colloidal clay used especially as a sealing agent or suspending agent (as of drugs)
ben·ton·it·ic \ˌben-tə-ˈni-tik\ adjective

Origin of BENTONITE

Fort Benton, Montana
First Known Use: 1898

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