detoxification

from WordNet (r) 3.0 (2006)

detoxification
    n 1: a treatment for addiction to drugs or alcohol intended to
         remove the physiological effects of the addictive
         substances
    2: treatment for poisoning by neutralizing the toxic properties
       (normally a function of the liver)

from The Collaborative International Dictionary of English v.0.48

detoxification \detoxification\ n.
   1. a medically supervised treatment for addiction to drugs or
      alcohol intended to rid the body of the addictive
      substances.
      [WordNet 1.5]

   2. treatment for poisoning by counteracting its toxic
      properties.
      [WordNet 1.5]

   3. conversion (of a poisonous substance) to a non-toxic or
      harmless state.
      [PJC]