The reappearance of a characteristic in an organism after several generations of absence, usually caused by the chance recombination of genes.
An individual or a part that exhibits atavism. Also called throwback.
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 Indo-European roots.] at'a·vist n., at'a·vis'tic adj., at'a·vis'ti·cal·ly adv.
throw·back (thrō'bāk') n.
A reversion to a former type or ancestral characteristic.
"revision to an ancestral type or character," 1888, from throw (v.) + back (adv.); earlier it meant "a reverse in a course or progress, a relapse" (1856).
Main Entry: throw·back Pronunciation: 'thrO-"bak Function: noun 1: reversion to an earlier type or phase :ATAVISM 2: an instance or product of atavistic reversion