montmorillonite

play
noun mont·mo·ril·lon·ite \ ˌmänt-mə-ˈri-lə-ˌnīt , -ˈrē-ə-ˌnīt \

Definition of montmorillonite

:a soft clayey water-absorbent mineral that is a hydrous aluminum silicate

montmorillonitic

play \-ˌri-lə-ˈni-tik, -ˌrē-ə-ˈni-\ adjective

Origin and Etymology of montmorillonite

French, from Montmorillon, commune in western France


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