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Medical Dictionary

atavism

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noun at·a·vism \ˈat-ə-ˌviz-əm\

Medical Definition of atavism

  1. 1:  recurrence in an organism of a trait or character typical of an ancestral form and usually due to genetic recombination

  2. 2:  an individual or character manifesting atavism :  throwback

  3. at·a·vis·tic \ˌat-ə-ˈvis-tik\play adjective
    at·a·vis·ti·cal·ly \-ti-k(ə-)lē\play adverb




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