单词 | enantiomorphous |
释义 | > as lemmasenantioˈmorphous enantioˈmorphous adj. ΚΠ 1892 Science XX. 89/1 Optical isomers..may..be taken as the analogues of enantiomorphous crystals, as of quartz, right-handed and left-handed; the pairs in each case being perfectly equivalent, but not superposable. 1895 N. Story-Maskelyne Crystallogr. vi. §150. 169 The configuration of the one tetartohedron will then correspond to that of the other as seen in a mirror. In a word, the two tetarto~symmetrical forms are enantiomorphous. 1895 J. M. Thomson & A. G. Bloxam Bloxam's Chem. (ed. 8) 600 The crystals..of the racemate differ from each other in the position of a certain unsymmetrical face; this is on the right hand in the one kind and on the left hand in the other (enantiomorphous). 1898 Nature 8 Sept. 454/2 The special one-sided asymmetry of the base will modify its mode of combination with the two enantiomorphous acids. 1902 H. A. Miers Mineral. i. 50 Two supplementary forms which are similar but not identical are said to be ‘enantiomorphous’; all forms which have neither a centre nor a plane of symmetry are enantiomorphous to another form. 1951 N. F. M. Henry et al. Interpr. X-ray Diffraction Photogr. i. 6/1 Enantiomorphous crystals lack all elements of symmetry which would produce a right-handed arrangement from a left-handed one, and vice versa. < as lemmas |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。