illuviation

(i lo̵̅o̅′vē ā′s̸hən)

noun

the accumulation in an underlying soil layer of materials, as colloids or soluble salts, that have been leached out of an upper layer

Origin: see illuvium & -ation

See illuviation in American Heritage Dictionary 4

noun

The deposition in an underlying soil layer of colloids, soluble salts, and mineral particles leached out of an overlying soil layer.

Origin:

Origin: illuvial, resulting from illuviation (in-² + -luvial, relating to the action of flowing water as in alluvial)

Origin: + -ation

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illuviation science

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