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Meaning of leachate

leach•ate

Pronunciation: (lē'chāt), [key]
— n.
  1. a solution resulting from leaching, as of soluble constituents from soil, landfill, etc., by downward percolating ground water: Leachates in the town's water supply have been traced to a chemical-waste dump.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.