sensitization: Meaning and Definition of

sen•si•ti•za•tion

1. the state or process of being sensitized.
2. the process of becoming susceptible to a given stimulus that previously had no effect or significance.
1. a state or condition in which a previously encountered foreign substance triggers an immune reaction.
2. an immunologic state or condition that is evidenced by the acquired ability of a cell or individual to detect the presence of a foreign substance upon reexposure to the substance and to react immunologically.