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Adjective: hereditary  hu're-di,te-ree [N. Amer], hi're-di-t(u-)ree [Brit]
  1. Occurring among members of a family usually by heredity
    "hereditary traits";
    - familial, genetic, inherited, transmitted, transmissible
  2. (law) inherited or inheritable by established rules (usually legal rules) of descent
    "hereditary monarchy";
    - ancestral, patrimonial, transmissible

See also: heritable, inheritable

Encyclopedia: Hereditary