sedimentation

noun

1. the deposition or accumulation of sediment.

noun

1. the process of formation of sedimentary rocks
2. the deposition or production of sediment
3. chem biochem the process by which large molecules or macroscopic particles are concentrated in a centrifugal field in a centrifuge or ultracentrifuge

n.1845, from sediment + -ation. n.

1. The act or process of depositing or forming a sediment.