adjective
- relating to or formed by illuviation; of or pertaining to material that has been deposited in a soil layer from above
Usage: soil science; technical
Examples
- The illuvial horizon contains clay and iron oxides washed down from upper soil layers.
- Geologists examined the illuvial deposits to understand the soil's formation history.
- The B horizon is typically an illuvial layer where minerals accumulate.
- Illuvial processes are essential to soil profile development in temperate climates.