| Noun | 1. | sensitisation - the state of being sensitive (as to an antigen) irritation - (pathology) abnormal sensitivity to stimulation; "any food produced irritation of the stomach" predisposition, sensitivity - susceptibility to a pathogen |
| 2. | sensitisation - (psychology) the process of becoming highly sensitive to specific events or situations (especially emotional events or situations) physical process, process - a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls" psychological science, psychology - the science of mental life | |
| 3. | sensitisation - rendering an organism sensitive to a serum by a series of injections immunisation, immunization - the act of making immune (especially by inoculation) |