1) Leach 
• (v. t.) To subject to a washing process for the purpose of separating soluble material from that which is insoluble; to leach, as ashes, for the purpose of extracting the alkaline substances. • (a.) Alt. of Lixivited
Lix·iv'i·ate transitive verb [ imperfect & past participle Lixiviated ; present participle & verbal noun Lixiviating .] To subject to a washing process for the purpose of separating soluble material from that which is insoluble; to leach,...