单词 | dextral |
释义 | dextraladj.n. 1. a. Situated on the right side of the body; right, as opposed to left. ΘΚΠ the world > space > relative position > quality of having sides or being a side > [adjective] > situated at the side > right right1489 dexter1562 right hand1587 dexterous1646 dextral1646 offward1710 right-sided1829 society > communication > indication > insignia > heraldic devices collective > escutcheon or shield > [adjective] > dexter dexter1562 dexterous1646 dextral1646 1646 Sir T. Browne Pseudodoxia Epidemica iv. v. 188 Which should hinder the Liver from enabling the dextrall parts. View more context for this quotation 1794 T. J. Mathias Pursuits of Lit. iv. 452 Throw wide that portal; let no Roman wait, But march with Priestly through the dextral gate. ΘΚΠ the mind > mental capacity > expectation > hope > promise, ground of hope > [adjective] > of circumstances: propitious trine1477 towardly1520 bright1592 ominous1593 dexter1646 rosy1685 dextral1774 fairc1820 toward1850 the mind > mental capacity > expectation > foresight, foreknowledge > prediction, foretelling > an omen, sign, portent > [adjective] > of good omen luckyc1450 benefic1601 well-boding1603 auspicial1614 auspicious1614 benevolous1642 dexter1646 benefical1647 auspical1656 well-omened1720 promissory1732 auspicatory1734 dextral1774 1774 Poetry in Ann. Reg. 203 No eastern meteor glar'd beneath the sky, No dextral omen. c. That uses the right hand in preference to the left; right-handed: see dextrality n. 2. Hence as n., a (predominantly) right-handed person. ΘΚΠ the world > life > the body > external parts of body > limb > [adjective] > favouring one side right-handeda1398 left-handeda1425 left hand1440 left-legged1606 sinister1818 katy-handed1822 left-footed1832 right-sided1850 cack-handed1854 dextral1871 sinistral1871 left-sided1875 lefty1886 southpaw1886 handed1910 molly-dook1941 the world > life > the body > external parts of body > limb > [noun] > favouring one side > person ciotóg1832 left-footer1864 right-footer1864 southpaw1871 right-hander1885 sinistral1889 port-sider1899 molly-hander1911 molly-dook1922 dextral1927 lefty1927 cuddy wifter1929 molly-dooker1934 northpaw1960 1871 Lancet i. 49 On Dextral Pre-eminence by William Ogle M.D. 1904 Westm. Gaz. 6 Aug. 11/3 As if fate had chosen to make it a dextral child. 1927 Amer. Jrnl. Psychol. 38 327 People fall into four groups, pure or crossed dextrals, and pure or crossed sinistrals... In the pure dextral there is right-handedness and a dominant right eye. 1964 M. Critchley Developmental Dyslexia viii. 54 A fair number of dyslexics are unequivocal dextrals with no family history of left-handedness or ambidexterity. 2. Conchology. Of a gastropod shell: Having the spire or whorl ascending from left to right (i.e. of the external spectator), which is the prevalent form. ΚΠ 1847 J. Craig New Universal Dict. (at cited word) A dextral shell, as in mostly all univalves, has its turns or convolutions from left to right when placed in a perpendicular position. 1851 T. Wright & G. F. Richardson Introd. Geol. (new ed.) viii. 241 In the first instance the shell is termed dextral; in the latter it is called sinistral or reversed. 1851 S. P. Woodward Man. Mollusca i. 46 Left-handed, or reversed varieties of spiral shells have been met with in some of the very common species, like the whelk and garden-snail. Bulimus citrinus is as often sinistral as dextral. 1866 R. Tate Plain & Easy Acct. Mollusks Great Brit. iii. 45 When the aperture of the shell is on the right-hand side it is said to be dextral. Draft additions December 2019 Geology. Designating a strike-slip fault in which the displacement of the block on the further side of the fault from an observer is towards the right; of or relating to such a fault. Contrasted with sinistral. ΚΠ 1942 E. M. Anderson Dynamics of Faulting & Dyke Formation v. 55 E. E. L. Dixon has distinguished the types of displacement as right-hand and left-hand heaves... The two classes of fault-planes may well be termed ‘dextral’ and ‘sinistral’. 1990 P. Kearey & F. J. Vine Global Tectonics vii. 118 This dextral ridge-ridge transform connects to the northernmost part of the mid-Atlantic ridge in the Arctic. 2007 L. A. Spalletti & J. R. Franzese in Z. Gasparini et al. Patagonian Mesozoic Reptiles ii. 31 Before 180 Ma, dextral movement along the Gastre fault and the Deseado fault systems..brought the three segments of South America together. This entry has not yet been fully updated (first published 1895; most recently modified version published online December 2019). < adj.n.1646 |
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