Akademik

sediment
n.
1 matter that settles to the bottom of a liquid; dregs.
2 Geol. matter that is carried by water or wind and deposited on the surface of the land, and may in time become consolidated into rock.
Derivatives:
sedimentary adj. sedimentation n.
Etymology: F seacutediment or L sedimentum (as SEDILE)

Useful english dictionary. 2012.