| 单词 | atavism |
| 释义 | atavism[ at-uh-viz-uhm ] / ˈæt əˌvɪz əm / SEE SYNONYMS FOR atavism ON THESAURUS.COM nounBiology.
reversion to an earlier type; throwback. Origin of atavismFirst recorded in 1825–35; from Latin atav(us) “great-great-great grandfather; remote ancestor, forefather” (at-, akin to atta familiar name for a grandfather, “grampa” + avus “grandfather, ancestor”) + -ism OTHER WORDS FROM atavismat·a·vist, nounWords nearby atavismat a stretch, at a time, Atatürk, Ataturk, Kemal, atavic, atavism, atavistic, at a word, ataxia, ataxiaphasia, ataxia telangiectasia Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for atavismBritish Dictionary definitions for atavismatavism / (ˈætəˌvɪzəm) / nounthe recurrence in a plant or animal of certain primitive characteristics that were present in an ancestor but have not occurred in intermediate generations reversion to a former or more primitive type Derived forms of atavismatavist, nounatavic (əˈtævɪk), adjectiveWord Origin for atavismC19: from French atavisme, from Latin atavus strictly: great-grandfather's grandfather, probably from atta daddy + avus grandfather Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for atavismatavism [ ăt′ə-vĭz′əm ] n.The appearance of characteristics that are presumed to have been present in some remote ancestor; reversion to an earlier biological type. Other words from atavismat′a•vist n.at′a•vis′tic adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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