D defs.my
Entry 1 sense Webster, 1913

Separation

/sĕpˌ-ẽr-āsh'-ən/ · Sep·a·ra·tion · IPA /ˌsɛp.əˈɹeɪ.ʃən/
01 n. The act of separating, or the state of being separated, or separate.
  1. 1.
    The act of separating, or the state of being separated, or separate.(Steam Boilers)
Phrases & compounds
Judicial separation — a form of divorce; a separation of man and wife which has the effect of making each a single person for all legal purposes but without ability to contract a new marriage.