Clay or silt or gravel carried by rushing streams and deposited where the stream slows down.

synonyms: alluvial deposit, alluvial sediment, alluvion.

Roget 653: uncleanness etc. adj.; impurity; immundity^†, immundicity^†; impurity etc. 961 [of mind]. defilement, contamination etc. v.; defoedation^†; soilure^†, soiliness^†; abomination; leaven; taint, tainture^†; fetor etc. 401^†.    decay; putrescence, putrefaction; corruption; mold, must, mildew, dry rot, mucor, rubigo^†.    slovenry^†; slovenliness etc. adj.; squalor.    dowdy, drab, slut, malkin^†, slattern, sloven, slammerkin^†, slammock^†, slummock^†, scrub, draggle-tail, mudlark^†, dust-man, sweep; beast.    dirt, filth, soil, slop; dust, cobweb, flue; smoke, soot, smudge, smut, grit, grime, raff^†; sossle^†, sozzle^†.    sordes^†, dregs, grounds, lees; argol^†; sediment, settlement heeltap^†; dross, drossiness^†; mother^†, precipitate, scoriae, ashes, cinders.    recrement^†, slag; scum, froth.    hogwash; ditchwater^†, dishwater, bilgewater^†; rinsings, cheeseparings; sweepings etc. (useless refuse) 645; offscourings^†, outscourings^†; off scum; caput mortuum [Lat.], residuum, sprue, fecula [Lat.], clinker, draff^†; scurf, scurfiness^†; exuviae [Lat.], morphea; fur, furfur^†; dandruff, tartar.    riffraff; vermin, louse, flea, bug, chinch^†.    mud, mire, quagmire, alluvium, silt, sludge, slime, slush, slosh, sposh [U.S.].    spawn, offal, gurry [U.S.]; lientery^†; garbage, carrion; excreta etc. 299; slough, peccant humor, pus, matter, suppuration, lienteria^†; faeces, feces, excrement, ordure, dung, crap [Vulg.], shit [Vulg.]; sewage, sewerage; muck; coprolite; guano, manure, compost.    dunghill, colluvies^†, mixen^†, midden, bog, laystall^†, sink, privy, jakes; toilet, john, head; cess^†, cesspool; sump, sough, cloaca, latrines, drain, sewer, common sewer; Cloacina; dust hole.    sty, pigsty, lair, den, Augean stable^†, sink of corruption; slum, rookery.    ... show more

Roget 342: land, earth, ground, dry land, terra firma.    continent, mainland, peninsula, chersonese [Fr.], delta; tongue of land, neck of land; isthmus, oasis; promontory etc. (projection) 250; highland etc. (height) 206.    coast, shore, scar, strand, beach; playa; bank, lea; seaboard, seaside, seabank^†, seacoast, seabeach^†; ironbound coast; loom of the land; derelict; innings; alluvium, alluvion^†; ancon.    riverbank, river bank, levee.    soil, glebe, clay, loam, marl, cledge^†, chalk, gravel, mold, subsoil, clod, clot; rock, crag.    acres; real estate etc. (property) 780; landsman^†.    ... show more

Roget 40: remainder, residue; remains, remanent, remnant, rest, relic; leavings, heeltap^†, odds and ends, cheesepairings^†, candle ends, orts^†; residuum; dregs etc. (dirt) 653; refuse etc. (useless) 645; stubble, result, educt^†; fag-end; ruins, wreck, skeleton.   , stump; alluvium.    surplus, overplus^†, excess; balance, complement; superplus^†, surplusage^†; superfluity etc. (redundancy) 641; survival, survivance^†.    ... show more

Dutch: alluvium
Polish: aluwium