leached Definition

leach
verb leaches, leached, leaching

1. chem.
To wash a soluble substance out of (a solid) by allowing a suitable liquid solvent to percolate through it.
2. To make liquid seep through (ash, soil, etc), in order to remove substances from that material.
3a. To remove (soluble substances) by having liquid seep through;
intr
3b. Said of soluble substances: to be removed in this way.

Etymology: probably Anglo-Saxon leccan to water.

Phrasal Verb: leach something away or out

To remove (soluble substances) by having liquid seep through.