- an association of W European countries that includes the European Atomic Energy Community (Euratom), the European Economic Community, the European Parliament, and allied organizations. Abbreviation: EC
- European Economic Community.
- an economic and political association of European States that came into being in 1967, when the legislative and executive bodies of the European Economic Community merged with those of the European Coal and Steel Community and the European Atomic Energy Community: subsumed into the European Union in 1993
