smectitic
/smɛkˈtɪtɪk/
adjective
- Containing or relating to smectite clay minerals.
- Smectitic clays are often used in industrial applications for their swelling properties.
- The smectitic soil in the valley is very fertile but can be difficult to farm when it gets wet.
- Geologists identified the rock as smectitic because of its ability to absorb water.
Synonyms