bentonite
noun
Meaning
- Any of several impure clay minerals consisting mostly of montmorillonite.
- A porous clay formed by the decomposition of volcanic ash that swells 5 to 6 times its original volume in the presence of water.
Etymology / origin
No prose etymology has been added yet.
No ancestor words have been linked yet.
Related words
Descendant words
No descendant words have been linked yet.