reversion

reversion 1 return, recurrence, recrudescence (see under RETURN vb)
2 Reversion, atavism, throwback are comparable when they mean return to an ancestral type or an instance of such return. The same distinctions in implications and connotations are evident in the adjectival forms reversionary and atavistic.
Reversion and reversionary are the technical terms in the biological sciences for the reappearance of an ancestral character or characters in an individual, or for an organism or individual that manifests such a character
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we could not have told, whether these characters in our domestic breeds were reversions or only analogous variations— Darwin

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similar mutations are paired together; divergent or reversionary individuals are eliminated— J. A. Thomson

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Atavism and atavistic are widely used both in general and in technical English. Their implication is of an apparent reversion to a remote rather than to an immediate ancestral type through the reappearance of remote, even primitive, characters after a long period of latency. Often, in general use, this connotation of prim- itiveness carries with it a suggestion of barbarism or even degeneration
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a magnificent atavism, a man so purely primitive— London

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those who had made England what it was had done so by sticking where they were, regardless of their own atavistic instincts, which might have led them back to France or Denmark— Brooks

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Throwback is preferred to reversion or atavism by those who seek a picturesque or less technical word. It is chiefly applied to the concrete instance and is often extended to other than living things
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the racial laws which excluded the Jews from the German community seemed ... a shocking throwback to primitive times— Shirer

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an aristocrat of the old line, a throwback to another century— White

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Analogous words: relapse, lapse, backsliding (see under LAPSE vb)

New Dictionary of Synonyms. 2014.

Synonyms:

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  • réversion — [ revɛrsjɔ̃ ] n. f. • revercioun 1304; lat. reversio, de revertere 1 ♦ Dr. Droit de retour. Pension de réversion. (Parfois prononcé [ rəvɛrsjɔ̃ ] par infl. de reverser.) 2 ♦ Biol. Changement dans l A. D. N. qui inverse une altération causée par… …   Encyclopédie Universelle

  • reversion — re·ver·sion /ri vər zhən/ n [Anglo French, from Middle French, from Latin reversio act of turning back, from revertere to turn back] 1: the returning of an estate upon its termination to the former owner or to his or her successor in interest 2 a …   Law dictionary

  • Reversion — may refer to:*Reversion (law) *Reversion (software development) *Re version, the re release of an existing television programmes or film. *Series reversion, in mathematics *Reversion, in evolutionary biology it is the return of a character to one …   Wikipedia

  • reversion — re‧ver‧sion [rɪˈvɜːʆn ǁ rɪˈvɜːrʒn] noun [uncountable] LAW the return of property, for example at the end of a period of time when someone else has had the right to use it: • the reversion of Hong Kong to China * * * reversion UK US /rɪˈvɜːʃən/… …   Financial and business terms

  • Reversion — Re*ver sion (r[ e]*v[ e]r sh[u^]n), n. [F. r[ e]version, L. reversio a turning back. See {Revert}.] 1. The act of returning, or coming back; return. [Obs.] [1913 Webster] After his reversion home, [he] was spoiled, also, of all that he brought… …   The Collaborative International Dictionary of English

  • reversion — or estate in reversion /(asteyt in) ravarzhan/ A future interest under which a grantor retains a present right to a future interest in property that the grantor conveys to another; usually the residue of a life estate. The residue of an estate… …   Black's law dictionary

  • reversion — Reversion. s. f. v. Terme de pratique & de Jurisprudence, formé du verbe Revertir, qui n est point en usage. Retour, réünion d un fief mouvant au fief dominant, dont il avoit esté détaché. Les appanages se donnent à charge de reversion faute d… …   Dictionnaire de l'Académie française

  • reversion — (n.) early 15c., from O.Fr. reversion, from L. reversionem (nom. reversio), noun of action from pp. stem of revertere (see REVERT (Cf. revert)) …   Etymology dictionary

  • reversión — sustantivo femenino 1. Uso/registro: elevado. Acción y resultado de revertir: La reversión de los inmuebles a los antiguos propietarios es un acto de justicia. Sinónimo: retorno …   Diccionario Salamanca de la Lengua Española

  • reversion — reversion. См. реверсная мутация. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

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