adjective
- containing, consisting of, or resembling clay
Usage: geological; technical
Examples
- The argillaceous soil made it difficult for water to drain properly.
- Geologists identified argillaceous rocks in the sedimentary layer.
- The potter preferred argillaceous materials for making ceramics.
- Argillaceous deposits are common in river deltas.
- The argillaceous limestone contained high levels of clay minerals.
- Engineers tested the argillaceous foundation before construction.