Definition of bentonite in English:

bentonite

Syllabification: ben·ton·ite
Pronunciation: /ˈben(t)nˌīt
 
/

noun

A kind of absorbent clay formed by the breakdown of volcanic ash, used especially as a filler.
More example sentences
  • Sedimentary rocks such as mudstones often contain a variety of clay minerals, including swelling clays such as bentonite.
  • I work with a low-fire clay body consisting of ball clay, talc and bentonite.
  • Three types of soils, residual soils, kaolinite and bentonite, were used in the study.

Origin

late 19th century: from the name of Fort Benton in Montana, where it is found, + -ite1.

Definition of bentonite in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day demoralize
Pronunciation: dəˈmôrəˌlīz
verb
cause (someone) to lose confidence or hope; dispirit