leach in WordNet English dictionary

1. the process of leaching
   leach  leaching 
   

1. remove substances from by a percolating liquid
   "leach the soil"
   leach  strip 
   
2. permeate or penetrate gradually
   "the fertilizer leached into the ground"
   leach  percolate 
   
3. cause (a liquid) to leach or percolate
   leach