Source : Webster's Revised Unabridged Dictionary (1913)

Segregation \Seg`re*ga"tion\, n. [L. segregatio: cf. F.
   s['e]gr['e]gation.]
   1. The act of segregating, or the state of being segregated;
      separation from others; a parting.

   2. (Geol.) Separation from a mass, and gathering about
      centers or into cavities at hand through cohesive
      attraction or the crystallizing process.

Source : WordNet®

segregation
     n 1: (genetics) the separation of paired alleles during meiosis
          so that members of each pair of alleles appear in
          different gametes
     2: a social system that provides separate facilities for
        minority groups [syn: {separatism}]
     3: the act of segregating or sequestering; "sequestration of
        the jury" [syn: {sequestration}] [ant: {integration}]