smectite

[ smek-tahyt ]
/ ˈsmɛkˌtaɪt /

noun Mineralogy.

montmorillonite.

Origin of smectite

1805–15; < Greek smēkt(ós) smeared + -ite1

Words nearby smectite

smear-sheet, smearcase, smeary, smeaton, smectic, smectite, smeddum, smedley, smeech, smegma, smegmalith

British Dictionary definitions for smectite

smectite
/ (ˈsmɛktaɪt) /

noun

any of a group of clay minerals of which montmorillonite and saponite are members