Dictionary Check: introversion
"introversion" is a valid word!
Scrabble
15
points
Words with Friends
18
points
Definition
noun
the condition of being folded inward or sheathed
noun
the folding in of an outer layer so as to form a pocket in the surface
Example:
"the invagination of the blastula"
noun
(psychology) an introverted disposition; concern with one's own thoughts and feelings
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