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Webster 1913 Edition

Noun.

The state of being internal or within; interiority.

internality ‎(countable and uncountable, plural internalities)

(uncountable) The condition of being internal or internalized.
(countable) A thing that is internal relative to something else.
- 1999, Zbigniew Brzezinski, The International Consequences of 1989:
  Now, increasingly, the great divide and the big questions facing us will pertain to the internalities of existence, to the self, rather than to the outside.