Definition of montmorillonite in English:


Syllabification: mont·mo·ril·lon·ite
Pronunciation: /ˌmäntməˈrilənīt


An aluminum-rich clay mineral of the smectite group, containing some sodium and magnesium.
More example sentences
  • To test their theory, the researchers added small particles of montmorillonite - a clay widespread in the environment.
  • The three investigators found that a porous clay called montmorillonite, already known to encourage the linking of nucleic acids, also has an effect on fatty acids, the building blocks of cell membranes.
  • Ancient deposits of weathered volcanic ash containing the special healing mud known as montmorillonite have been found on a farm 15 km east of Northampton.


mid 19th century: from Montmorillon, the name of a town in France, + -ite1.

Definition of montmorillonite in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day bimble
Pronunciation: ˈbimbəl
walk or travel at a leisurely pace