segregation
Seg`re*ga"tion, n. Etym: [L. segregatio: cf. F. ségrégation.] 1. The act of segregating, or the state of being segregated; separation from others; a parting. 2. (Geol.) Defn: Separation from a mass, and gathering about centers or into cavities at hand through cohesive attraction or the crystallizing process.