illuviation

[ ih-loo-vee-ey-shuh n ]
/ ɪˌlu viˈeɪ ʃən /

noun

the accumulation in one layer of soil of materials that have been leached out of another layer.

Origin of illuviation

First recorded in 1925–30; illuvi(al) + -ation

Words nearby illuviation

illustrative, illustrator, illustrious, illuvial, illuviate, illuviation, illuvium, illy, illyria, illyrian, illyricum

British Dictionary definitions for illuviation

illuviation
/ (ɪˌluːvɪˈeɪʃən) /

noun

the process by which a material (illuvium), which includes colloids and mineral salts, is washed down from one layer of soil to a lower layer

Derived forms of illuviation

illuvial, adjective

Word Origin for illuviation

C20: from Latin illuviēs dirt, mud, from il- + -luviēs, from lavere to wash

Scientific definitions for illuviation

illuviation
[ ĭ-lōō′vē-ā′shən ]

The deposition of colloids, soluble salts, and suspended mineral particles in a lower soil horizon through the process of eluviation (downward movement) from an upper soil horizon.