Word Study
loess
CIDE DICTIONARY
loess, n. [G. löss.].
A quaternary deposit, usually consisting of a fine yellowish earth, on the banks of the Rhine and other large rivers. [1913 Webster]
OXFORD DICTIONARY
loess, n. a deposit of fine light-coloured wind-blown dust found esp. in the basins of large rivers and very fertile when irrigated.
Derivative
loessial adj.
Etymology
G L{ouml}ss f. Swiss G l{ouml}sch loose f. l{ouml}sen loosen
THESAURUS
loess
alluvion, alluvium, ash, cinder, clinker, debris, deposit, deposition, deposits, detritus, diluvium, draff, dregs, drift, dross, ember, feces, froth, grounds, lees, moraine, offscum, precipitate, precipitation, scoria, scree, scum, sediment, settlings, silt, sinter, slag, smut, soot, sublimateFor further exploring for "loess" in Webster Dictionary Online