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1. The condition of being folded inward or sheathed
   - invagination
    
2. The folding in of an outer layer so as to form a pocket in the surface
   "the introversion of the blastula";
   - invagination, intussusception, infolding
    
3. (psychology) an introverted disposition; concern with one's own thoughts and feelings

Derived forms: introversions

See also: introversive, introvertive

Type of: biological process, condition, organic process, unsociability, unsociableness

Antonym: ambiversion, extroversion

Encyclopedia: Introversion