leaching

Pronunciation:			l'eeching
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WordNet Dictionary
	Definition:		[n]  the process of leaching
	Synonyms:		leach
	See Also:		action, activity, natural action, natural process
Biology Dictionary
	Definition:		Removal of valuable metals form ores by microbial action.
Glossary
	Definition:		a natural process by which chemicals and minerals are transported downwards through a soil-profile.