'desensitization' definitions:

Definition of 'desensitization'

(from WordNet)
noun
The process of reducing sensitivity; "the patient was desensitized to the allergen" [syn: desensitization, desensitisation]

Definition of 'desensitization'

From: GCIDE
  • desensitization \desensitization\ n. the process of reducing or eliminating sensitivity.
  • Syn: desensitisation. [WordNet 1.5]