1. The process by which soluble minerals and organic matter are removed from soil or rock by percolating water, leaving behind insoluble residues.
Usage: geology; soil science; plural form of eluviation

Examples

• Eluviations in tropical soils result in the removal of silica and other soluble compounds.
• The study examined how eluviations affect soil composition in different climate zones.
• Repeated eluviations over centuries can significantly alter the mineral content of bedrock.
• Geologists use eluviations to understand the history of weathering in ancient landscapes.
• The rate of eluviations depends on rainfall, temperature, and soil permeability.