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Of, relating to, or having undergone illuviation: illuvial organic matter.

[in- + -luvial (as in alluvial).]


(ɪˈlu vi əl)

of or pertaining to illuviation.
[1920–25; il-1 + (al)luvial]
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References in periodicals archive ?
The soil layer was selected in view of the highest need for the reclamation of the illuvial soil horizon.
Ultisols commonly feature an E (eluvial) horizon above an illuvial horizon with clay precipitation and have relative low base status.
From a typological perspective, it can be classified into brown eumesobasic soils, brown illuvial argillaceous soils (partially pseudogleyic), as well as pseudorendsina on more argillaceous marl, all of them very suitable for the vine, except for those whose hydro-physical features are neither favourable for vine growing, nor artificially improved for this purpose.
Dark-grey soils differ by more density of humus profile, reduction of eluvial thickness and less illuvial profile part.
Soil2 was illuvial humus podzol (Placic, Rustic, Albic, Folic, Stagnic Podzols) with Myrtilloso-polytrichosa forest type (forest type classification according to Buss (1997), and soil types according to Latvian and FAO WRB (2006) soil classifications).
The illuvial accumulation of clay on the vertical macroaggregate surfaces of B horizons and formation of Argic diagnostic horizon were observed in these soils.
Pixie Lott is the face of the Illuvial Collection, available exclusively at The Carphone Warehouse.
This process consists in the translocation of claysize particles from eluvial (A, E) to illuvial horizons (mainly Bt, and to a lesser degree, in BA or BC horizons).
Letter Designation Characteristics a, e, i Refers to highly (sapric), intermediate (hemic), or slightly (fibric) decomposed material b Used with any horizon that has been buried by overlying deposits c Concretions present g Strongly gleyed (referring to the amount of reduced iron present) h Illuvial (from leaching above), accumulation of organic material m 90% cemented p Mixed by plowing r Weathered bedrock that can be dug with a spade t Accumulation of clay x Fragipan present z Accumulation of soluble salts