deconstruction

Concise Oxford English Dictionary © 2008 Oxford University Press:
deconstruction/diːkənˈstrʌkʃn/

▶noun a method of critical analysis of philosophical and literary language which emphasizes the internal workings of language and conceptual systems, the relational quality of meaning, and the assumptions implicit in forms of expression.

– derivatives
deconstructionism noun,
deconstructionist adjective & noun.