Alienation

Alienation is estrangement or splitting apart. The term has specialized meanings in a variety of disciplines.

In law, "alienation" refers to a transfer of title of ownership to another party.
In medicine, "alienation" can refer to a splitting apart of the faculties of the mind.
An "alienist" is an old name for a psychiatrist, who attempts to reintegrate an alienated mind.
In sociology and critical social theory as well as continental philosophy more broadly, social alienation refers to the individual subject's estrangement from its community, society, or world.
In theatre, the "alienation effect" is a common translation for Bertolt Brecht's Verfremdungseffekt.