Meaning of DIATOMACEOUS EARTH

Pronunciation:			`dIutu'meyshus urth
WordNet Dictionary
	Definition:		[n]  a light soil consisting of siliceous diatom remains and often used as a filtering material
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	Synonyms:		diatomite, kieselguhr
	See Also:		earth, filter, ground
Biology Dictionary
	Definition:		A type of silica-rich dirt which is soft, fine-grained, porous, light-colored, and composed of the skeletons of diatoms (one-celled marine organisms with skeletons based on silicon). It is used as a filter.
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