ALL meanings of alluvial fan
al·lu·vi·al fan
A a - noun alluvial fan a fan-shaped accumulation of silt, sand, gravel, and boulders deposited by fast-flowing mountain rivers when they reach flatter land 3
- noun alluvial fan a gradually sloping mass of alluvium that widens out like a fan from the place where a stream begins to slow down 3
- noun alluvial fan a fan-shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine or at the foot of a mountain. 1
- noun alluvial fan A cone-shaped heap of alluvium deposited by a river. 0