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individuation in·di·vid·u·a·tion (ĭn'də-vĭj'ōō-ā'shən)
The act or process of becoming distinct or individual, especially the process by which social individuals become differentiated one from the other.
In Jungian psychology, gradual integration and unification of the self through the resolution of successive layers of psychological conflict.
The formation of distinct organs or structures through the interaction of adjacent tissues in an embryo.