Liquid that has seeped through a solid material and picked up dissolved or suspended contaminants from it; especially the toxic liquid that drains from landfill sites through decomposing waste.
Origin
Derived from the verb leach, from Old English leccan — to moisten or water. The noun leachate is a modern scientific coinage, first appearing in environmental and civil engineering literature in the mid-20th century.
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🎧 Podcast 2 — Daily Use
Leachate in Conversation
Two British speakers · Real everyday dialogue
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