1. the process by which particles settle out of a liquid or gas and form a layer of sediment
Usage: geology; chemistry
2. the accumulation of sedimentary material over time
Usage: geology

Examples

• The sedimentation in the river created fertile soil in the delta.
• Scientists studied the rate of sedimentation in the lake bottom.
• Heavy rains increased sedimentation in the reservoir.
• The geologist examined layers formed by thousands of years of sedimentation.
• Sedimentation can clog water treatment facilities if not properly managed.
• The canyon walls revealed the history of sedimentation in the region.