1. Professional attention limited to a particular specialty or subject area for study, research, and/or treatment. 2. SYN: differentiation (1).
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1) a making or becoming specialized <\specialization in pediatrics>
2 a) structural adaptation of a body part to a particular function or of an organism for life in a particular environment
b) a body part or an organism adapted by specialization
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spe·cial·iza·tion (spesh″əl-ĭ-zaґshən) in medicine, medical practice limited to some special branch of medicine or surgery.Medical dictionary. 2011.