noun
the act or process of leaching
verb
to dissolve out soluble constituents from (ashes, soil, etc.) by percolation
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The chemical process of leaching involves extracting substances from a solid by dissolving them in a liquid.
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I heard that the rain can leach nutrients from the soil, affecting plant growth.
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Don't worry about that spill, I'll just leach it with some water and it'll come right out.
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The constant negative comments from her peers seemed to leach away her confidence over time.