| 单词 | pseudoasymmetric |
| 释义 | > as lemmasˌpseudoasyˈmmetric ˌpseudoasyˈmmetric adj. ΘΚΠ the world > matter > chemistry > chemical bonding > [adjective] > of or relating to isomeric bonding > of or relating to pseudo-asymmetry pseudoasymmetric1907 1907 J. B. Cohen Org. Chem. Adv. Students I. ii. 94 The cyclic carbon atoms 2 and 4 are asymmetrical per se; 3 is symmetrical though structurally identical with 2 and 4. It follows..that 1 and 3 are pseudo-asymmetric. 1962 E. L. Eliel Stereochem. Carbon Compounds iii. 28 Such a pseudoasymmetric atom does not give rise to dissymmetry in the molecule as a whole. 1999 A. Rudin Elem. Polymer Sci. & Engin. (ed. 2) iv. 129 Each pseudoasymmetric carbon can exist in two distinguishable configurations. < as lemmas |
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