from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Material that settles to the bottom of a liquid; lees.
  • n. Solid fragments of inorganic or organic material that come from the weathering of rock and are carried and deposited by wind, water, or ice.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A collection of small particles, particularly dirt, that precipitates from a river or other body of water.
  • v. To deposit material as a sediment.
  • v. To be deposited as a sediment.

from the GNU version of the Collaborative International Dictionary of English

  • n. The matter which subsides to the bottom, from water or any other liquid; settlings; lees; dregs.
  • n. The material of which sedimentary rocks are formed.

from The Century Dictionary and Cyclopedia

  • To allow to settle; settle: said of matter in suspension in a liquid.
  • n. The matter which settles to the bottom of water or any other liquid; settlings; lees; dregs; in geology, detrital material mechanically suspended in or deposited from water; the material of which the sedimentary rocks are composed.
  • n. In a steam-boiler, an internal deposit of precipitate from the feed-water, or of solid matter mechanically present, which lies as a loose or soft mud on the heating surfaces: distinguished from scale, which is a hard crystalline coating adhering to the metal.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. settle as sediment
  • v. deposit as a sediment
  • n. matter that has been deposited by some natural process


Latin sedimentum, act of settling, from sedēre, to sit, settle; see sed- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin sedimentum < sedeō. (Wiktionary)



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