Leaching

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Leach \Leach\, v. t. [imp. & p. p. {Leached}; p. pr. & vb. n.
     {Leaching}.] [Written also leech and letch.]
     1. To remove the soluble constituents from by subjecting to
        the action of percolating water or other liquid; as, to
        leach ashes or coffee.
        [1913 Webster]


  
     2. To dissolve out; -- often used with out; as, to leach out
        alkali from ashes.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  leaching
       n : the process of leaching [syn: {leach}]