单词 | atavism |
释义 | at·a·vism (ătə-vĭz′əm) n. 1. The reappearance of a characteristic in an organism after several generations of absence. 2. An individual or a part that exhibits atavism. Also called throwback. 3. The return of a trait or recurrence of previous behavior after a period of absence. [French atavisme, from Latin atavus, ancestor : atta, father + avus, grandfather; see awo- in the Appendix of Indo-European roots.] ata·vist n. at′a·vistic adj. at′a·visti·cal·ly adv. |
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