| 释义 |
illuviation
il·lu·vi·a·tion E0097800 (ĭ-lo͞o′vē-ā′shən)n. The deposition in an underlying soil layer of colloids, soluble salts, and mineral particles leached out of an overlying soil layer.
[illuvial, resulting from illuviation (in- + -luvial, relating to the action of flowing water, as in alluvial) + -ation.]illuviation (ɪˌluːvɪˈeɪʃən) n (Geological Science) 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[C20: from Latin illuviēs dirt, mud, from il- + -luviēs, from lavere to wash] ilˈluvial adjil•lu•vi•a•tion (ɪˌlu viˈeɪ ʃən)
n. the accumulation in one layer of soil of materials that have been leached out of another layer. [1925] illuviation
illuviation[i‚lü·vē′ā·shən] (geology) The deposition of colloids, soluble salts, and small mineral particles in an underlying layer of soil. |