Deposition-a part of erosion in which sediment's deposited Deposition or Depose may refer to: Deposition (law), taking testimony outside of court Deposition (chemistry), molecules settling out of a solution Thin-film deposition, any technique for depositing a thin film of material onto a substrate or onto previously deposited layers Deposition (sediment), material (like sediment) being added to a landform Deposition (physics), the process of gas transformation into solid Deposition (politi… (More on Deposition)