1. To separate, to set apart from others; that which is so treated.
2. To free of chemical contaminants.
3. In psychoanalysis, to separate ideas, experiences, or memories from the affects pertaining to them.
4. In group psychotherapy, a patient to whom others in the group do not respond.
5. Viable organisms separated on a single occasion from a sample taken from a host or culture system.
6. A population that for geographic, linguistic, cultural, social, religious, or other reasons is subject to little or no gene flow.
Synonyms: genetic isolate
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