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单词 atavist
释义

WordReference Random House Learner's Dictionary of American English © 2024
at•a•vism /ˈætəˌvɪzəm/USA pronunciation   n. 
  1. Biology[uncountable] the reappearance in an individual of characteristics, feelings, or behavior like those of some earlier ancestor.
  2. Also, at•a•vist/ˈætəvɪst/.USA pronunciation  [countable] an individual who behaves this way;
    throwback.
at•a•vis•tic, adj. 

WordReference Random House Unabridged Dictionary of American English © 2024
at•a•vism  (atə viz′əm),USA pronunciation n. 
  1. Biology
    • the reappearance in an individual of characteristics of some remote ancestor that have been absent in intervening generations.
    • an individual embodying such a reversion.
  2. Biologyreversion to an earlier type;
    throwback.
  • Latin atav(us) remote ancestor (at-, akin to atta familiar name for a grandfather + avus grandfather, forefather) + -ism
  • 1825–35
ata•vist, n. 

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