Meaning of illuviation in English:


Pronunciation /ɪˌl(j)uːvɪˈeɪʃ(ə)n/


mass nounSoil Science
  • The introduction of salts or colloids into one soil horizon from another by percolating water.

    ‘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.’


Early 20th century from il-‘in’ + -luvial (on the pattern of alluvial) + -ation.