American English

Definition of leach verb from the Oxford Advanced American Dictionary

     

    leach

     verb
    verb
    NAmE//litʃ//
     
    (technology)Verb Forms present simple I / you / we / they leach
     
    he / she / it leaches
     
    past simple leached
     
    -ing form leaching
     
     
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  1. 1[intransitive] leach (from something) (into something) leach out/away (of chemicals, minerals, etc.) to be removed from soil, etc. by water passing through it Nitrates leach from the soil into rivers.
  2. 2[transitive] leach something (from something) (into something) leach something out/away (of a liquid) to remove chemicals, minerals, etc. from soil The nutrient is quickly leached away.
See the Oxford Advanced Learner's Dictionary entry: leach