- the matter that settles to the bottom of a liquid; lees; dregs.
- Geology. mineral or organic matter deposited by water, air, or ice.
- to deposit as sediment.
- to form or deposit sediment.
Origin of sediment
Examples from the Web for sediment
The large bottle is served slightly on its side in a wicker basket so the sediment can sink to the bottom.Look Out! There’s a Craft-Beer Revolution Taking Over France
December 2, 2013
During dry periods, the prints fermented, and when the rain returned, they were preserved under layers of sediment and mud.294 Dinosaurs Once Walked on This Wall in Bolivia
October 24, 2013
He works for the National Park Service on "erosion and sediment control."Hurricane Sandy Turns Washington, D.C., Into a Ghost Town
October 30, 2012
Fresh river water, carrying its rich load of sediment, no longer reaches and replenishes the Delta.The Gulf's Next Disaster
June 11, 2010
Arsenic, copper, lead and PCBs were found in the soil, sediment and water.Our Most Polluted States
The Daily Beast
May 19, 2010
In some places junk men will buy the sediment, or "mud," as it is called.
It will be noticed, however, that the sediment is heaped in the middle of the cell.
(a) Sediment has risen to within one-half inch of the bottom of the plates.
A drainpipe from the bottom of the tank is also desirable to draw off the accumulations of sediment.Rural Hygiene
Henry N. Ogden
Falbe lay quietly with his long fingers in the sediment of pine-needles.Michael
E. F. Benson
- matter that settles to the bottom of a liquid
- material that has been deposited from water, ice, or wind
Word Origin and History for sediment
1540s, "matter which settles at the bottom of water or other liquid," from Middle French sédiment (16c.) and directly from Latin sedimentum "a settling, sinking down," from stem of sedere "to settle, sit" (see sedentary).
- Insoluble material that sinks to the bottom of a liquid, as in hypostasis.
- Geology Solid fragmented material, such as silt, sand, gravel, chemical precipitates, and fossil fragments, that is transported and deposited by water, ice, or wind or that accumulates through chemical precipitation or secretion by organisms, and that forms layers on the Earth's surface. Sedimentary rocks consist of consolidated sediment.
- Particles of solid matter that settle out of a suspension to the bottom of the liquid.