lix·iv·i·ate 
(lĭk-sĭvē-āt′)
(lĭk-sĭvē-āt′)tr.v. lix·iv·i·at·ed, lix·iv·i·at·ing, lix·iv·i·ates
To wash or percolate the soluble matter from (solid material).
[Late Latin lixīvium, lye (from Latin lixīvius, of lye, from lix, lye) + -ATE1.]
lix·iv′i·ation n.