A Diaspora

1. (historical) The dispersion of the Jews among the Gentiles after the Babylonian captivity (6th century B.C.E.).
2. (by extension) Any similar dispersion.
3. (collective) A group so dispersed, especially Jews outside of the land of Israel.
4. The regions where such a dispersed group (especially the Jews) resides, taken collectively.
5. Any dispersion of an originally homogeneous entity, such as a language or culture.