SEGREGATION
segregation
Noun
- The setting apart or separation of things or people, as a natural process, a manner of organizing people that may be voluntary or enforced by law.
 - The Mendelian Law of Segregation related to genetic transmission or geographical segregation of various species.
 - Separation from a mass, and gathering about centers or into cavities at hand through cohesive or adhesive attraction or the crystallizing process.
 - The separation of people (geographically, residentially, or in businesses, public transit, etc) into racial or other categories (e.g. religion, sex).
 - The separation of people (geographically, residentially, or in businesses, public transit, etc) into various categories which occurs due to social forces (culture, etc).
 
The above text is a snippet from Wiktionary: segregation
and as such is available under the Creative Commons Attribution/Share-Alike License.