diatomaceous earth

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diatomaceous earth

n.
A light-colored porous rock composed of the shells of diatoms.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

diatomaceous earth

n
1. (Geological Science) an unconsolidated form of diatomite. Also called: kieselguhr
2. (Minerals) an unconsolidated form of diatomite. Also called: kieselguhr
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

di′atoma′ceous earth′


n.
a fine siliceous earth composed chiefly of the cell walls of diatoms and used in filtration. Also called di•at•o•mite (daɪˈæt əˌmaɪt)
[1880–85]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diatomaceous earth - a light soil consisting of siliceous diatom remains and often used as a filtering materialdiatomaceous earth - a light soil consisting of siliceous diatom remains and often used as a filtering material
filter - device that removes something from whatever passes through it
earth, ground - the loose soft material that makes up a large part of the land surface; "they dug into the earth outside the church"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In some works, outward similarity of these deposits with Eocene diatomites and tripolite of the Transuralian Region was mistakenly noted (Kuznetsov, 1963).
The morphological analysis of disperse particles of the PTFE widespread modifiers (fragments of carbon fibers, carbon nanotubes, mineral products of tripolite and schungite) was made by the means of the REM and AFM methods.