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单词 dissymmetry
释义

dissymmetryn.

/dɪsˈsɪmɪtri/
Etymology: < dis- prefix 2d + symmetry n.
a. Lack or absence of symmetry.
ΘΚΠ
the world > space > shape > misshapenness > [noun] > asymmetry
dextrality1646
asymmetry1664
one-sidedness1830
lopsidedness1843
dissymmetry1844
unsymmetry1867
sidedness1888
1844 J. H. Stocqueler Hand-bk. India 243 The larger vessels of the country, pleasant to look upon even for their strange dissymmetry and their consequent unwieldiness.
1876 tr. P. Schützenberger On Fermentation 6 In a remarkable lecture on molecular dissymmetry M. Pasteur had established an important distinction between artificial organic products.
1895 Daily News 30 Sept. 7/2 Pasteur..propounded the theory that molecular dissymmetry, which is noticed when a beam of polarised light is caused by certain solutions to rotate, was characteristic of living matter and its products.
b. Symmetry between two objects, disposed in opposite directions, such as the right and left hands or feet, or between crystals alike in all respects, save that their angles lie opposite ways.
ΘΚΠ
the world > space > shape > symmetry or regularity > [noun] > between two objects, in opposite directions
dissymmetry1881
1881 W. Spottiswoode in Nature 6 Oct. 546/1 There is a dissymmetry at the two ends or ‘terminals’ of a battery.
This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2018).
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n.1844
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