eluviation

noun

elu·​vi·​a·​tion (ˌ)ē-ˌlü-vē-ˈā-shən How to pronounce eluviation (audio)
: the transportation of dissolved or suspended material within the soil by the movement of water when rainfall exceeds evaporation
eluvial adjective
eluviated adjective

Word History

Etymology

eluvi- (as in eluvium "rock debris produced by weathering in situ," formed on the model of alluvium, colluvium from Latin ēluere "to wash clean, remove by washing") + -ation — more at elute

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of eluviation was in 1899

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Cite this Entry

“Eluviation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eluviation. Accessed 10 Nov. 2025.

Last Updated: - Definition revised
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