单词 | rejuvenescence |
释义 | rejuvenescencen. 1. The action or process of becoming young again; the renewal of youth or vitality. Also: an instance of this. Frequently figurative. ΘΚΠ the world > life > source or principle of life > age > youth > [noun] > rejuvenation rejuvenescencea1631 rejuvenescencya1661 rejuvenation1746 a (new) lease of life1853 a1631 J. Donne Serm. (1959) V. 292 With a re-juveniscence, a new and a fresh youth. 1663 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. ii. v. viii. 193 Whether Paracelsus and others deservedly call such accidents..a reall renovation or rejuvenescence. 1733 G. Cheyne Eng. Malady ii. i. 114 If this could be..effected, the Cure would be a true Rejuvenescence. 1779 S. Johnson Dryden in Pref. Wks. Eng. Poets III. 281 The works of Chaucer, upon which this kind of rejuvenescence has been bestowed by Dryden, require little criticism. 1813 W. Taylor in Monthly Mag. 35 426 To restore the circulation of our earlier classics produces, by infusion, a rejuvenescence of the language. 1875 C. Merivale Gen. Hist. Rome lxxvi. 641 The Greek and Roman races were..morally exhausted. They had lost..all power of intellectual rejuvenescence. 1933 B. Gadelius Human Mentality xii. 309 The effect gained, either by ‘attempts at rejuvenescence’ or by transplanting a testicle, is transitory. 2003 L. Moss What Genes can't Do i. 42 The chromosomes..undergo a kind of ‘rejuvenescence’ during gametogenesis, which serves to wipe the slate clean of historical experience. 2. Biology. The reactivation of vegetative cells, resulting in cell division and (in multicellular organisms) regrowth from old or injured parts; the regrowth itself. Also spec.: the reversal of the process of senescence supposed to result when a single-celled organism undergoes conjugation (now chiefly historical). ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > types of reproduction > [noun] > others adosculation1682 autogeny?1818 gemmation1836 parthenogenesis1849 virgin production1849 rejuvenescence1853 agamogenesis1857 monogeny1857 autogenesis1858 homogenesis1858 proliferation1864 monogenesis1866 swarming1867 paedogenesis1870 monogony1873 virginal generation1879 division1880 monogenesy1890 parthenogeny1890 anisogamy1891 isogamy1891 paragamy1891 separation1891 paedogenesis1892 parthenism1892 heterogamy1894 thelytoky1895 flagellation1898 cytogamy1899 pseudogamy1900 tychoparthenogenesis1900 syngamy1904 pseudogamy1907 ectogenesis1909 paedogamy1910 apomixis1913 progenesis1934 agamospermy1939 mixis1944 somatogamy1949 decapitation- 1853 A. Henfrey tr. A. Braun (title) Reflections on the phenomenon of rejuvenescence [Ger. Verjüngung] in nature. 1854 J. D. Hooker Let. 25 Aug. in C. Darwin Corr. (1989) V. 206 I have just read Braun upon Rejuvenescence & am glad to hear what you think of it! 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. p. ix It results in a simple ‘rejuvenescence’ of the conjugating individuals. 1925 Amer. Naturalist 59 235 He found that so-called rejuvenescence occurs only after exogamous or endogamous conjugation, but only in a small percentage of cases. a1933 J. A. Thomson Biol. for Everyman (1934) I. iii. 46 When the amoeba is once more moist.., the living matter becomes active again...This renewal is called rejuvenescence. 1988 Magnesium Res. 1 177 (title) Effect of magnesium on juvenility and rejuvenescence of plant cells, and its possible mechanism. 1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) v. 113/1 These [small buds] probably result from a late rejuvenescence of a coral which almost died, from small areas of still living tissue. 2008 G. H. Beale & J. R. Preer Paramecium i. 2 Their work was concerned with the significance of forms of life consisting of single cells..and the supposed immortality and rejuvenescence of such cells. This entry has been updated (OED Third Edition, December 2009; most recently modified version published online June 2022). < n.a1631 |
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