Deposition

Deposition might refer to:

 Deposition (law)
 Deposition (politics)

Science
 Deposition (chemistry), molecules settling out of a solution
 Deposition (geology), material such as sediment being added to a landform
 Deposition (phase transition), how a gas is transformed into a solid
 Deposition (aerosol physics), how aerosol particles set down onto surfaces