diatomaceous earth
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noun
a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc.
Origin of diatomaceous earth
First recorded in 1880–85
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for diatomite
Contemporary Examples of diatomite
Historical Examples of diatomite
Diatomite is principally used for the manufacture of dynamite on account of its value as an absorbent.
The New Gresham EncyclopediaVarious
diatomite
noun
diatomaceous earth
noun
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
diatomaceous earth
[dī′ə-tə-mā′shəs, dī-ăt′ə-]
n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
diatomite
[dī-ăt′ə-mīt′]
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.