· the condition of being folded inward or sheathed
Synonym(s): invagination
Hypernym(s): condition
· the folding in of an outer layer so as to form a pocket in the surface; "the invagination of the blastula"
Synonym(s): invagination, intussusception, infolding
Hypernym(s): organic_process, biological_process
· (psychology) an introverted disposition; concern with one's own thoughts and feelings
Hypernym(s): unsociability, unsociableness
Antonym(s): ambiversion, extraversion