verb
- built up or raised the level of land by depositing sediment
Usage: geology; past tense of aggrade
Examples
- The river aggraded its bed over thousands of years.
- Sediment from upstream aggraded the delta region.
- The stream aggraded the valley floor with sand and gravel.
- Heavy rainfall aggraded the floodplain with fertile soil.
- The glacier aggraded the landscape as it retreated.
- Construction runoff aggraded the nearby wetlands.