1. n. [Geology]

The process of creation, transportation and deposition of sediments.

See: aggradation,  eustasy,  glauconite,  growth fault,  Milankovitch cycles,  normal fault,  sediment,  sequence stratigraphy

2. n. [Drilling Fluids]

The process of separation of the components of a cement slurry during which the solids settle. Sedimentation is one of the characterizations used to define slurry stability.