The removal or "exit" of materials from one horizon which are then "illuviated" into a horizon below.

Movement of humus, chemical substances, and mineral particles from the upper layers of a soil to lower layers by the downward movement of water through the soil profile. Compare with illuviation.

( Ped.). Removal of soil material from the upper to the lower horizon in solution or in colloidal suspension . ( SSSA).

The transportation of soil material in suspension or in solution within the soil by the downward or lateral movement of water.

The movement of material in true solution or collodial suspension from one place to another within the soil. Soil horizons that have lost material through eluviation are eluvial; those that have received material are illuvial.

The process of removal of soluble or suspended material from a soil horizon.