Dictionary

clay mineral

noun

Definition of CLAY MINERAL

:  any of a group of hydrous silicates of aluminum and sometimes other metals formed chiefly in weathering processes and occurring especially in clay and shale

First Known Use of CLAY MINERAL

1937

Browse

Next Word in the Dictionary: claymorePrevious Word in the Dictionary: clay millAll Words Near: clay mineral
July 05, 2015
bunkum Hear it
insincere or foolish talk
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears