Pronunciation: (sep"u-rā'shun),[key] —n. 1. an act or instance of separating or the state of being separated.
2. a place, line, or point of parting.
3. a gap, hole, rent, or the like.
4. something that separates or divides.
5. Law. a. cessation of conjugal cohabitation, as by mutual consent.
b. See judicial separation. 6. Aerospace.the time or act of releasing a burned-out stage of a rocket or missile from the remainder.
7. Photog.See separation negative.