1. Noun.  A behavior or way of thinking that is characteristic of a person.
  2. Noun.  A language or behaviour that is particular to an individual or group.
  3. Noun.  (medicine) A peculiar individual reaction to a generally innocuous substance or factor.
  4. Noun.  A peculiarity that serves to distinguish or identify.

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This entry was last updated on RefTopia from its source on 3/20/2012.