Integration may refer to: Biology * Multisensory integration * Path integration * Pre-integration complex, viral genetic material used to insert a viral genome into a host genome *DNA integration, by means of site-specific recombinase technology, performed by a specific class of recombinase enzymes ("integrases") Economics and law * Economic integration, trade unification between different states * Horizontal integration and vertical integration, in microeconomics and strategic management, styles of ownership and control * Regional integration, in which states cooperate through regional institutions and rules * Integration clause, a declaration that a contract is the final and complete understanding of the parties *A step in the process of money laundering * Integrated farming, a farm management system * Integration (tax), a feature of corporate and personal income tax in some countries * Territorial integration of independent or dependent territories into a state Engineeri ...