alluvial soil
noun phrase
Meaning
Loose, unconsolidated sediment deposited by flowing water, such as rivers or streams, typically found in floodplains and deltas.
Examples
- Farmers have cultivated this valley for generations because the alluvial soil provides essential nutrients for their crops.
- Geologists analyzed the alluvial soil to determine the historical path of the ancient river.
Synonyms: silt, sediment, loam, alluvium