silt The fine mineral material formed from the erosion of rock fragments and deposited by rivers and lakes. Its particles are the intermediate form between sand and clay. The particles can range in size from 0.01-0.05 mm in diameter.
Chambers DictionaryChamber's 20th Century Dictionary📕
silt silt, n. that which is left by straining:
sediment: the sand, &c., left by water.—v.t. to fill
with sediment (with up).—v.i. to percolate through
pores: to become filled up.—adj.Silt′y, full of, or resembling, silt. [Prov.
Eng. sile, allied to Low Ger. sielen, Sw. sila, to
let water off, to strain.]
Sailor's Word-BookThe Sailor's Word-Book⛵
silt Sediment; ooze in a harbour, or at a lock-gate.
Wikipedia
Silt is soil or rock that developed from granular material of a specific grain size.
Grain size criteria.
Silt particles range between a and mm (3.9 to 62.5 μm), larger than clay but smaller than a sand. Silt is chemically distinct from clay, and unlike clay, grains of silt are approximately the same size in all dimensions.
Silt may occur as a soil or alternatively as suspended sediment in a water column of any surface water body. It may also exist as deposition soil at the bottom of a water body and it can occur as a deposit or as material transported by a stream or by a current in the ocean. Silt is easily transported in water and is fine enough to be carried long distances by air as 'dust'. Thick deposits of silty material that result from "wind" deposition are often called "loess" (a German term) or "limon" (French). Silt and clay contribute to turbidity in water.
Part of speech
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silt, verb, present, 1st person singular of silt (infinitive).
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