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bentonite

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
ben·ton·ite  (bnt-nt)
n.
An absorbent aluminum silicate clay formed from volcanic ash and used in various adhesives, cements, and ceramic fillers.
[After Benton Formation (formerly Fort Benton Formation) of the Rock Creek district in eastern Wyoming.]
benton·itic (-ntk) adj.
bentonite [ˈbɛntəˌnaɪt]
n
(Earth Sciences / Geological Science) a valuable clay, formed by the decomposition of volcanic ash, that swells as it absorbs water: used as a filler in the building, paper, and pharmaceutical industries
[from Fort Benton, Montana, USA, where found, + -ite1]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.bentonite - an absorbent aluminum silicate clay formed from volcanic ash
clay - a very fine-grained soil that is plastic when moist but hard when fired


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? Mentioned in ? References in periodicals archive
 
Bentonite clay is much-used in the metalcasting industry as a bonding agent in green sand molds.
Bentonite's Kaleidoscope of Applications by Modern Casting
The mill's previous program used cationic polyacrylamide (CPAM) and bentonite and was meeting performance needs, but the need to reduce costs led the mill to investigate alternatives.
Retention/drainage technology reduces chemical cost by Woodward, James H. / Solutions - for People, Processes and Paper
If molds or mycotoxins are present, try a binding compound such as MTB100 or sodium bentonite, Van Saun suggests.
Sickening silage? by Bower Spence, Kim / Dairy Today
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