/uy'seuh lay"sheuhn, is'euh-/ , n.
1. an act or instance of isolating.
2. the state of being isolated.
3. the complete separation from others of a person suffering from contagious or infectious disease; quarantine.
4. the separation of a nation from other nations by isolationism.
5. Psychoanal. a process whereby an idea or memory is divested of its emotional component.
6. Sociol. See social isolation .
[ 1825-35; ISOLATE + -ION ]
Syn. 2. See solitude. 3. segregation.