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.
Origin of leachate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
water that carries salts dissolved out of materials through which it has percolated, esp polluted water from a refuse tip
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