Derivation may refer to:

Language Morphological derivation, a word-formation process Parse tree or concrete syntax tree, representing a string's syntax in formal grammars

Law Derivative work, in copyright law Derivation proceeding, a proceeding in United States patent law

Music The creation of a derived row, in the twelve-tone musical technique

Science and mathematics Derivation (differential algebra), a unary function satisfying the Leibniz product law Formal proof or derivation, a sequence of sentences each of which is an axiom or follows from the preceding sentences in the sequence by a rule of inference An after-the-fact justification for an action, in the work of sociologist Vilfredo Pareto

See also Derive (disambiguation), for meanings of "derive" and "derived" Derivative, in calculus Derivative (disambiguation)