D defs.my
Entry 2 senses Webster, 1913

Segregation

/sĕgˌ-rəg-āsh'-ən/ · Seg·re·ga·tion · IPA /sɛɡɹəˈɡeɪ̯ʃən/
01 n. The act of segregating, or the state of being segregated; separation from others; a parting.
  1. 1.
    The act of segregating, or the state of being segregated; separation from others; a parting.
  2. 2.
    Separation from a mass, and gathering about centers or into cavities at hand through cohesive attraction or the crystallizing process.(Geol.)