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Pronunciation: i'so-lat


  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.

Synonym(s): genetic isolate

[It. isolare; Mediev. L. insulo, pp. -atus, to insulate, fr. L. insula, island]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.