[sed-uh-muh n-tey-shuh n]


the deposition or accumulation of sediment.

Origin of sedimentation

First recorded in 1870–75; sediment + -ation
Related formsself-sed·i·men·ta·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sedimentation

Historical Examples of sedimentation

British Dictionary definitions for sedimentation



the process of formation of sedimentary rocks
the deposition or production of sediment
chem biochem the process by which large molecules or macroscopic particles are concentrated in a centrifugal field in a centrifuge or ultracentrifuge
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sedimentation

1845, from sediment + -ation.

Online Etymology Dictionary, © 2010 Douglas Harper

sedimentation in Medicine




The act or process of depositing or forming a sediment.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.