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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 at·a·vism /ˈætəˌvɪzəm/
 隔代遺傳,祖型再現

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 at·a·vism /ˈætəˌvɪzəm/ 名詞
 隔代遺傳,返祖(現象)

From: Webster's Revised Unabridged Dictionary (1913)

 At·a·vism n.
 1. (a) The recurrence, or a tendency to a recurrence, of the original type of a species in the progeny of its varieties; resemblance to remote rather than to near ancestors; reversion to the original form. (b) Biol. The recurrence of any peculiarity or disease of an ancestor in a subsequent generation, after an intermission for a generation or two.
    Now and then there occur cases of what physiologists call atavism, or reversion to an ancestral type of character.   --J. Fiske
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From: WordNet (r) 2.0

 atavism
      n : a reappearance of an earlier characteristic [syn: reversion,
           throwback]