repressorn.

Brit.

/rᵻˈprɛsə/, U.S.

/rəˈprɛsər/,

/riˈprɛsər/

Forms: 1500s–1700s repressour, 1600s– repressor.

Origin: A borrowing from Latin. Etymon: Latin repressor.

Etymology: < classical Latin repressor person who checks or represses < repress- , past participial stem of reprimere repress v.¹ + -or -or suffix. Compare earlier represser n.With the form repressour compare -our suffix.

1. A person who or thing which represses someone or something. Cf. represser n.

ΘΚΠ

society > authority > subjection > restraint or restraining > [noun] > one who or that which restrains

represserc1449

controllera1540

restrainer1569

repressor1584

stayer1597

curber1610

society > authority > subjection > subjecting or subjugation > [noun] > suppression or repression > one who

suppressor1560

repressor1584

1584 T. Hudson tr. G. de S. Du Bartas Hist. Judith iii. 49 The great repressour of oppressors pride Preserue thy hart and hand, and be thy guide.

1606 G. W. tr. Epit. Liues Emperors in tr. Justinus Hist. sig. Gg 6^v He was a diligent repressor of Eunuches and Courtiers, calling them the mothes and frettes of the Pallace.

1676 G. Towerson Explic. Decalogue 416 No furtherer of uncleanness but on the contrary the repressor of it.

1711 D. Jones Compl. Hist. Europe 1710 360 Repressors of popular Licence have contended that in Cases of extreme Necessity it is lawful for the People to defend themselves.

1821 Times 3 May 3/2 We are not aware that..in Spain or Portugal..it has yet been tolerated or forgiven by the ‘repressors’ of public agitation.

1863 Viscountess Strangford Eastern Shores Adriatic ii. 86 That [character] of being unconscious repressors of national energy we ought to meet and investigate in detail.

1903 F. W. Maitland in Cambr. Mod. Hist. xvi. 597 Whitgift, the stern repressor of the Puritans, was a remorseless predestinarian.

1950 T. Brosse in A. Sorokin Explor. in Altruistic Love & Behavior iv. 128 Psychoanalysis, after having focused its whole attention in its initial period on the energy of the ‘repressed’ unconscious, now gives more attention to the ‘repressor’.

1998 M. Feitlowitz Lexicon of Terror v. 167 The majority of the repressors were supplied by the army.

2. Biochemistry and Genetics. A protein which by its action on specific DNA or RNA sequences inhibits the transcription or translation of a gene or set of genes, esp. those coding for an enzyme or enzymes. Also repressor protein.

ΚΠ

1957 H. J. Vogel in W. D. McElroy & B. Glass Chem. Basis Heredity ii. 286 In order to facilitate further discussion, the following terminology will be used hereafter:..the substance thus decelerating enzyme synthesis is a ‘represser’ (‘repressor’).

1966 Proc. National Acad. Sci. U.S.A. 55 1087 One could assume that in order to repress the transcription of late function genes, a repressor protein may first have to be synthesized.

1973 B. J. Williams Evol. & Human Origins vi. 91/1 Diffusable repressor substances that form complexes with specific operator regions prevent the mRNA transcription.

1995 Nature 11 May 105/1 The Drosophila transcription factor Krüppel..converts from an activator to a repressor in a concentration-dependent manner.

2007 Science 25 May 1135/1 Cry and Per proteins are transcriptional repressors.

This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022).

单词	repressor
释义	repressorn. Brit. /rᵻˈprɛsə/, U.S. /rəˈprɛsər/, /riˈprɛsər/ Forms: 1500s–1700s repressour, 1600s– repressor. Origin: A borrowing from Latin. Etymon: Latin repressor. Etymology: < classical Latin repressor person who checks or represses < repress- , past participial stem of reprimere repress v.¹ + -or -or suffix. Compare earlier represser n.With the form repressour compare -our suffix. 1. A person who or thing which represses someone or something. Cf. represser n. ΘΚΠ society > authority > subjection > restraint or restraining > [noun] > one who or that which restrains represserc1449 controllera1540 restrainer1569 repressor1584 stayer1597 curber1610 society > authority > subjection > subjecting or subjugation > [noun] > suppression or repression > one who suppressor1560 repressor1584 1584 T. Hudson tr. G. de S. Du Bartas Hist. Judith iii. 49 The great repressour of oppressors pride Preserue thy hart and hand, and be thy guide. 1606 G. W. tr. Epit. Liues Emperors in tr. Justinus Hist. sig. Gg 6^v He was a diligent repressor of Eunuches and Courtiers, calling them the mothes and frettes of the Pallace. 1676 G. Towerson Explic. Decalogue 416 No furtherer of uncleanness but on the contrary the repressor of it. 1711 D. Jones Compl. Hist. Europe 1710 360 Repressors of popular Licence have contended that in Cases of extreme Necessity it is lawful for the People to defend themselves. 1821 Times 3 May 3/2 We are not aware that..in Spain or Portugal..it has yet been tolerated or forgiven by the ‘repressors’ of public agitation. 1863 Viscountess Strangford Eastern Shores Adriatic ii. 86 That [character] of being unconscious repressors of national energy we ought to meet and investigate in detail. 1903 F. W. Maitland in Cambr. Mod. Hist. xvi. 597 Whitgift, the stern repressor of the Puritans, was a remorseless predestinarian. 1950 T. Brosse in A. Sorokin Explor. in Altruistic Love & Behavior iv. 128 Psychoanalysis, after having focused its whole attention in its initial period on the energy of the ‘repressed’ unconscious, now gives more attention to the ‘repressor’. 1998 M. Feitlowitz Lexicon of Terror v. 167 The majority of the repressors were supplied by the army. 2. Biochemistry and Genetics. A protein which by its action on specific DNA or RNA sequences inhibits the transcription or translation of a gene or set of genes, esp. those coding for an enzyme or enzymes. Also repressor protein. ΚΠ 1957 H. J. Vogel in W. D. McElroy & B. Glass Chem. Basis Heredity ii. 286 In order to facilitate further discussion, the following terminology will be used hereafter:..the substance thus decelerating enzyme synthesis is a ‘represser’ (‘repressor’). 1966 Proc. National Acad. Sci. U.S.A. 55 1087 One could assume that in order to repress the transcription of late function genes, a repressor protein may first have to be synthesized. 1973 B. J. Williams Evol. & Human Origins vi. 91/1 Diffusable repressor substances that form complexes with specific operator regions prevent the mRNA transcription. 1995 Nature 11 May 105/1 The Drosophila transcription factor Krüppel..converts from an activator to a repressor in a concentration-dependent manner. 2007 Science 25 May 1135/1 Cry and Per proteins are transcriptional repressors. This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022). < n.1584
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