noun[mass noun] Soil Science
- The introduction of salts or colloids into one soil horizon from another by percolating water.More example sentences
- The study also indicates that the illuviation of clay particles and their subsequent accumulation in the Bt horizons have occurred in sodic environment.
- Clay illuviation is the process that has been most exhaustively considered in micromorphological studies.
More definitions of illuviationDefinition of illuviation in:
- The US English dictionary