单词	silt
释义	silt1 nounsilt2 verb siltsilt1 /sɪlt/ noun [uncountable] Word Origin WORD ORIGINsilt1 Origin: 1400-1500 Probably from a Scandinavian language Examples EXAMPLES FROM THE CORPUS Gravel and silt, washed down the mountainside, are clogging his irrigation ditch. Obviously, the same river flow that fills them with silt also brings in minerals and organic materials from elsewhere. The silt is swirling, and no one seems sure which way is which. The crumbled porcelain of a third lay embedded like fossilized prehistoric remains long entombed in silt and mud. The plants provide shelter for animals, trap silt and draw nutrients from the water. The sewers are so filled with silt and the underground plumbing is so old that heavy rains cause rivers on campus. They have little to look forward to, save for fat legs, flopping in the silt of some riverine beach. word sets WORD SETS► Geology agglomerate, nounalabaster, nounanthracite, nounasbestos, nounatoll, nounbasalt, nounbasin, nounbauxite, nounbed, nounbedrock, nounberyl, nounbluff, nouncanyon, nouncape, nouncarboniferous, adjectivechalk, nounchalky, adjectivechasm, nounclay, nouncliff, nouncoal, nouncoastal, adjectivecoastline, nounconglomerate, nouncontinental drift, nouncontinental shelf, nouncore, nouncove, nouncrag, nouncrater, nouncreek, nounCretaceous, adjectivecrevasse, nouncrust, nouncrystal, nouncrystalline, adjectivecrystallize, verbdelta, noundeposit, noundeposition, noundune, noundust bowl, nounearthquake, nounelevation, nounemery, nounepicentre, nounepoch, nounera, nounerode, verberosion, nounerupt, verbescarpment, nounestuary, nounextinct, adjectivefault, nounfeeder, nounfeldspar, nounfiord, nounfjord, nounflint, nounflood plain, nounfluvial, adjectivefold, nounfool's gold, nounfossil, nounfossilize, verbfriable, adjectivegeology, noungeyser, nounglaciation, nounglacier, nounGondwanaland, granite, noungrassland, noungroundwater, noungulf, noungully, nounheadland, nounhinterland, nounhot spring, nounigneous, adjectiveimpervious, adjectiveinactive, adjectiveinlet, nounisthmus, nounjasper, nounjet, nounkaolin, nounknoll, nounlagoon, nounlake, nounlandlocked, adjectivelandslide, nounlandslip, nounlava, nounleach, verblevee, nounlime, nounlimestone, nounloam, nounlowlands, nounmagma, nounmarble, nounmarsh, nounmarshland, nounmatrix, nounmetamorphic, adjectivemica, nounmineral, nounmineralogy, nounmining, nounmoraine, nounmorass, nounmountain, nounmountainside, nounmountaintop, nounmudslide, nounnugget, nounoasis, nounoilfield, nounore, nounoutcrop, nounpalaeontology, nounPalaeozoic, adjectivePangaea, peninsula, nounpermafrost, nounpetroleum, nounpillar, nounpinnacle, nounplate, nounplate tectonics, nounporous, adjectivepothole, nounprairie, nounprecipice, nounpromontory, nounpumice, nounpyrites, nounquartz, nounravine, nounreservoir, nounridge, nounrift, nounrift valley, nounriver, nounrock, nounrock salt, nounsand, nounsand bar, nounsandstone, nounsapphire, nounscarp, nounschist, nounscree, nounseam, nounsediment, nounsedimentary, adjectivesedimentation, nounseismic, adjectiveseismograph, nounseismology, nounsettlement, nounshale, nounshelf, nounshingle, nounsilica, nounsilicate, nounsilt, nounslate, nounstalactite, nounstalagmite, nounstone, nounstrait, nounstrata, stratified, adjectivestratum, nounsubsoil, nounsubstratum, nounsummit, nounterrain, nounthermal, adjectivetopaz, nountopsoil, nountor, nountremor, nountributary, nountrilobite, nountsunami, nountundra, nounturquoise, nounvalley, nounvein, nounvolcanic, adjectivevolcano, nounwatercourse, nounwaterfall, nounwater table, noun Collocations COLLOCATIONS FROM THE CORPUSADJECTIVE► fine · Nearer the sea and along the rivers the soils were all fine silt.· It grows in shallow water in pools and ponds, most frequently on substrates ranging from sand to fine silt.· This was a brown, evil-looking brew, topped by grey scum, with the taste and texture of fine silt.· Their movements would have kicked up the fine silt carpet on the bottom of the lake, obscuring vision. sand, mud, soil etc that is carried in water and then settles at a bend in a river, an entrance to a port etc silt1 nounsilt2 verb siltsilt2 verb Verb Table VERB TABLE silt Simple Form Present they silt it silts Past it, they silted Present perfect they have silted it has silted Past perfect it, they had silted Future it, they will silt Future perfect it, they will have silted Examples EXAMPLES FROM THE CORPUS As the peat shrank, the critical outfall of the river Ouse into the North Sea inevitably began to silt up. From now until the year 2000, the arts calendar is silting up with festivals, memorials and monumental events. Increased erosion will accelerate the process of silting up the region's hydro-electric dams. The rivers are infinitely renewable, at least until the reservoirs silt up or the climate changes. Collocations COLLOCATIONS FROM THE CORPUSADVERB► up · Increased erosion will accelerate the process of silting up the region's hydro-electric dams.· The rivers are infinitely renewable, at least until the reservoirs silt up or the climate changes.· As the peat shrank, the critical outfall of the river Ouse into the North Sea inevitably began to silt up.· From now until the year 2000, the arts calendar is silting up with festivals, memorials and monumental events. silt up phrasal verb if something silts up or is silted up, it becomes filled with silt:  The old harbour silted up years ago.
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