eluviation
Noun
Meaning
(soil science, countable) The sideways or downward movement of dissolved or suspended material within soil caused by rainfall
(geology, uncountable) Creation of geological deposits (eluvial deposits) by in situ weathering or weathering plus gravitational movement or accumulation.
Source: en.wiktionary.orgSynonyms
Examples
The master horizon, E, is used for subsurface horizons that have a significant loss of minerals (eluviation).
They have subsurface horizon formation but show little eluviation and illuviation.