topsoilnoun [ U ]
uk/ˈtɒp.sɔɪl/us/ˈtɑːp.sɔɪl/(the soil which forms) the top layer of ground in which plants grow
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subsoil
Thesaurus: synonyms and related words
Soil
- aerator
- boulder clay
- chalk
- dirt
- grit
- ground
- heavy
- laterite
- limy
- loam
- mudslide
- ooze
- ore
- peat bog
- sandy
- sediment
- silt
- sod
- soil science
- worm cast
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