| 单词 | atavism |
| 释义 | Word Frequency atavism(ˈætəˌvɪzəm) noun 1. the recurrence in a plant or animal of certain primitive characteristics that were present in an ancestor but have not occurred in intermediate generations 2. reversion to a former or more primitive type Derived forms atavist (ˈatavist) noun atavic (əˈtævɪk) adjective Word origin C19: from French atavisme, from Latin atavus strictly: great-grandfather's grandfather, probably from atta daddy + avus grandfather |
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