Active sensitization as a result of allergens being naturally or artificially brought into contact with susceptible tissues; the procedure of being allergised. ... (05 Mar 2000) ... 
(al″әr-jĭ-za´shәn) active sensitization by introduction of allergens into the body.
Type: Term Pronunciation: al′er-ji-zā′shŭn Definitions: 1. Obsolete term for active sensitization as a result of allergens's being naturally or artificially brought into contact with susceptible tissues; the procedure of being allergized.
allergization 1. Active sensitization or the introduction of allergens into the body. 2. The process of becoming sensitive to an allergen.