Definition of Soil horizon
1. Noun. A layer in a soil profile.
Generic synonyms: Horizon
Specialized synonyms: A Horizon, A-horizon, B Horizon, B-horizon, C Horizon, C-horizon
Medical Definition of Soil horizon
1. A distinct layer of soil, more or less parallel with the soil surface, having similar properties such as colour, texture and permeability, the soil profile is subdivided into the following major horizons: A-horizon, characterised by an accumulation of organic material. B-horizon, characterised by relative accumulation of clay iron, organic matter or aluminum. C-horizon, the undisturbed and unaltered parent material. (Some soils have an E-horizon, characterised by leaching of organic and other material.) (09 Oct 1997)
Soil Horizon Pictures
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Lexicographical Neighbors of Soil Horizon
Literary usage of Soil horizon
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Proceedings of the Iowa Academy of Science by Iowa Academy of Science (1901)
"Lying between two thick beds of drift there is an apparent soil horizon, ... The bed of clay which overlies the soil horizon is very calcareous to the base. ..."
2. The Proceedings of the Iowa Academy of Science by Iowa Academy of Science (1901)
"Buried soil: Lying between two thick beds of drift there is an apparent soil horizon, dark brown in color, in which are imbedded numerous small bits of wood ..."
3. Report of the State Board of Geological Survey by Michigan Geological Survey, Alfred Church Lane (1902)
"Exclusive of the 18 inch soil horizon on top, there are three well marked ... This apparently represents a soil horizon. Thickness 6 in. to 1 ft. 3. ..."