Silt definition

sĭlt
To flow through crevices; to percolate.
verb
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Mud or fine earth deposited from running or standing water.
noun
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Material with similar physical characteristics, whatever its origins or transport.
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Silt is a material of the earth made up of particles that are somewhere in between the sizes of sand and clay, often found at the bottom of rivers and bays.

An example of silt is what one may find at the bottom of a harbor that eventually will clog the waterway.

noun
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Silt is defined as to fill something up with particles of the earth that are somewhere in between sand and clay in size.

An example of to silt is to fill up the bottom of a slow moving river with sediment.

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(geology) A particle from 3.9 to 62.5 microns in diameter, following the Wentworth scale.
noun
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To clog or fill with silt.
verb
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(intransitive) To become clogged with silt.
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Sediment suspended in stagnant water or carried by moving water, that often accumulates on the bottom of rivers, bays, etc., esp. such sediment with particles smaller than sand and larger than clay.
noun
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A sedimentary material consisting of grains or particles of disintegrated rock, smaller than sand and larger than clay. The diameter of the particles ranges from 0.0039 to 0.0625 mm. Silt is often found at the bottom of bodies of water where it accumulates slowly by settling through the water.
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A sedimentary material consisting of very fine particles intermediate in size between sand and clay.
noun
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To become filled with silt.

An old channel that silted up.

verb
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To fill, cover, or obstruct with silt.

River sediments gradually silted the harbor.

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To fill, cover, or choke up with silt.
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Soil composed of 80 percent or more silt and less than 12 percent clay.
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Origin of silt

  • Middle English probably of Scandinavian origin sal- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English cylte, cognate with Norwegian and Danish sylt (“salt marsh") and Old English sealt (“salt")

    From Wiktionary