Dictionary Home »
Science » gradation
gradation science definition
- The process by which land is leveled off through erosion or the transportation or deposition of sediments, especially the process by which a riverbed is brought to a level where it is just able to transport the amount of sediment delivered to it.
- The proportion of particles (such as sand grains) of a given size within a sample of particulate material, such as soil or sandstone.
Learn more about gradation