1. (psychology) the process of becoming highly sensitive to specific events or situations (especially emotional events or situations)
   "The soldier's sensitisation to loud noises persisted long after returning from combat";
   - sensitization
    
2. The state of being sensitive (as to an antigen)
   "The repeated exposure led to sensitisation to the chemical";
   - sensitization
    
3. Rendering an organism sensitive to a serum by a series of injections
   "The sensitisation process was part of the allergy testing procedure";
   - sensitizing, sensitising [Brit], sensitization

Derived forms: sensitisations

Type of: immunisation [Brit], immunization, physical process, predisposition, process, sensitivity

Encyclopedia: Sensitisation