Here's a breakdown:

* Glacial meltwater: Water that originates from the melting of a glacier.

* Outwash: The process of transporting and depositing sediment by glacial meltwater.

Characteristics of Glacial Outwash:

* Sorted: The meltwater carries and deposits sediment according to its size and weight. Larger particles are deposited closer to the glacier, while finer particles are carried further downstream.

* Well-rounded: The sediment is often well-rounded due to the abrasive action of the meltwater and the grinding of ice and rocks within the glacier.

* Stratified: The layers of sediment are often arranged in distinct layers, reflecting changes in meltwater volume and sediment supply.

* Typically sandy and gravelly: The dominant sediment type is sand and gravel, with some silt and clay.

Landforms associated with glacial outwash:

* Outwash plains: Broad, flat areas formed by the deposition of outwash.

* Kames: Small, conical hills of outwash deposited by meltwater flowing through ice tunnels or crevasses.

* Eskers: Long, winding ridges of outwash deposited in the channels of meltwater flowing beneath the glacier.

Importance of Glacial Outwash:

* Source of groundwater: Outwash deposits often contain aquifers, which are important sources of groundwater.

* Agricultural land: Outwash plains are often fertile and well-drained, making them suitable for agriculture.

* Building materials: Sand and gravel extracted from outwash deposits are used in construction.

* Geological record: Outwash deposits provide valuable information about past glacial activity and climate.