the growth in membership of political entities:Enlargement of the European Union is the political process for integrating countries into the European Union.Enlargement of the African UnionEnlargement of the Arab LeagueEnlargement of the United NationsEnlargement of NATOEnlargement of SwitzerlandEnlargement of the European Space Agencyin other contexts:In mathematics, an enlargement is a uniform scaling, an example of a Homothetic transformation that increases distances, areas and volumes.Enlargement (in fiction) is a theme in fiction, especially in science fiction and fantasy.An enlargement is a photographic print that is larger than the negative it is printed from, through the use of an enlarger.Penis enlargement. reference