soil horizon
English Thesaurus
1. a layer in a soil profile (noun.location)
| hypernym | : | horizon, |
| definition | : | a specific layer or stratum of soil or subsoil in a vertical cross section of land (noun.location) |
| instance hyponym | : | a horizon, a-horizon, |
| definition | : | the top layer of a soil profile; usually contains humus (noun.location) |
| instance hyponym | : | b horizon, b-horizon, |
| definition | : | immediately below the A-horizon; contains deposits of organic matter leached from surface soils (noun.location) |
| instance hyponym | : | c horizon, c-horizon, |
| definition | : | beneath the B-horizon and above the bedrock; consisting of weathered rock (noun.location) |
| part meronym | : | profile, |
| definition | : | a vertical section of the Earth's crust showing the different horizons or layers (noun.location) |
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