bentonite

== English == === Etymology === From Benton +‎ -ite, after the place where it was first mined: Fort Benton, Montana. === Noun === bentonite (countable and uncountable, plural bentonites) (mineralogy) Any of several impure clay minerals consisting mostly of montmorillonite. A porous clay formed by the decomposition of volcanic ash that swells 5 to 6 times its original volume in the presence of water. ==== Synonyms ==== E558 when used as an anti-caking agent ==== Derived terms ==== ==== Translations ==== === References === Krueger, Dennis (December 1982). "Why On Earth Do They Call It Throwing?" Studio Potter Vol. 11, Number 1.[1] (etymology) === Further reading === David Barthelmy (1997–2026), “Bentonite”, in Webmineral Mineralogy Database. “bentonite”, in Mindat.org‎[2], Hudson Institute of Mineralogy, 2000–2026. == French == === Pronunciation === === Noun === bentonite f (plural bentonites) (mineralogy) bentonite == Italian == === Pronunciation === IPA(key): /ben.toˈni.te/ Rhymes: -ite Hyphenation: ben‧to‧nì‧te === Noun === bentonite f (plural bentoniti) (mineralogy) bentonite === Further reading === bentonite in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana