soil

Noun
  1. The state of being covered with unclean things (synset 114521680)
    is a type of: dirtiness, uncleanness - the state of being unsanitary
    same as: dirt, filth, grease, grime, grunge, stain
  2. The part of the earth's surface consisting of humus and disintegrated rock (synset 114868863)
    is a type of: earth, ground - the loose soft material that makes up a large part of the land surface
    subtypes:
    • marl - a loose and crumbling earthy deposit consisting mainly of calcite or dolomite; used as a fertilizer for soils deficient in lime
    • regosol - a type of soil consisting of unconsolidated material from freshly deposited alluvium or sand
    • residual clay, residual soil - the soil that is remaining after the soluble elements have been dissolved
    • surface soil, topsoil - the layer of soil on the surface
    • subsoil, undersoil - the layer of soil between the topsoil and bedrock
    • alluvial soil - a fine-grained fertile soil deposited by water flowing over flood plains or in river beds
    • bog soil - poorly drained soils on top of peat and under marsh or swamp vegetation
    • clay - a very fine-grained soil that is plastic when moist but hard when fired
    • clunch - hardened clay
    • desert soil, desertic soil - a type of soil that develops in arid climates
    • caliche, hardpan - crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
    • fuller's earth - an absorbent soil resembling clay; used in fulling (shrinking and thickening) woolen cloth and as an adsorbent
    • gilgai soil - soil in the melon holes of Australia
    • gumbo, gumbo soil - any of various fine-grained silty soils that become waxy and very sticky mud when saturated with water
    • humus - partially decomposed organic matter; the organic component of soil
    • indurated clay - hardened clay
    • indian red - a red soil containing ferric oxide; often used as a pigment
    • laterite - a red soil produced by rock decay; contains insoluble deposits of ferric and aluminum oxides
    • loam - a rich soil consisting of a mixture of sand and clay and decaying organic materials
    • loess - a fine-grained unstratified accumulation of clay and silt deposited by the wind
    • mold, mould - loose soil rich in organic matter
    • clay, mud - water soaked soil; soft wet earth
    • bole - a soft oily clay used as a pigment (especially a reddish brown pigment)
    • podsol, podsol soil, podsolic soil, podzol, podzol soil - a soil that develops in temperate to cold moist climates under coniferous or heath vegetation; an organic mat over a grey leached layer
    • prairie soil - a type of soil occurring under grasses in temperate climates
    • sand - a loose material consisting of grains of rock or coral
    • sedimentary clay - clay soil formed by sedimentary deposits
    • silt - mud or clay or small rocks deposited by a river or lake
    • boulder clay, till - unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
    • tundra soil - a black mucky soil with a frozen subsoil that is characteristic of Arctic and subarctic regions
    • wiesenboden - a dark meadow soil rich in organic material; developed through poor drainage in humid grassy or sedge regions
    same as: dirt
  3. Material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use) (synset 109358146)
    "the land had never been plowed"; "good agricultural soil"
    is a type of: object, physical object - a tangible and visible entity; an entity that can cast a shadow
    subtypes:
    • badlands - deeply eroded barren land
    • bottom, bottomland - low-lying alluvial land near a river
    • coastland - land in a coastal area
    • cultivated land, farmland, ploughland, plowland, tillage, tilled land, tilth - arable land that is worked by plowing and sowing and raising crops
    • overburden - the surface soil that must be moved away to get at coal seams and mineral deposits
    • permafrost - ground that is permanently frozen
    • polder - low-lying land that has been reclaimed and is protected by dikes (especially in the Netherlands)
    • rangeland - land suitable for grazing livestock
    • scablands - (geology) flat elevated land with poor soil and little vegetation that is scarred by dry channels of glacial origin (especially in eastern Washington)
    • greensward, sod, sward, turf - surface layer of ground containing a mat of grass and grass roots
    • wetland - a low area where the land is saturated with water
    same as: ground, land
  4. The geographical area under the jurisdiction of a sovereign state (synset 108510074)
    "American troops were stationed on Japanese soil"
    is a type of: geographic area, geographic region, geographical area, geographical region - a demarcated area of the Earth
    same as: territory
Verb
  1. Make soiled, filthy, or dirty (synset 201536935)
    "don't soil your clothes when you play outside!"
    is a type of: alter, change, modify - cause to change; make different; cause a transformation
    subtypes:
    same as: begrime, bemire, colly, dirty, grime

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