| 单词 |
electromeric |
| 释义 |
electromeric, a.|ɪˌlɛktrəˈmɛrɪk|
[f. electro- + -meric as in isomeric a.]
Of, pertaining to, or characterized by a displacement of electrons in a molecule postulated to occur during some chemical reactions. Also eˈlectromer, one of two or more hypothetical forms of a compound that differ only in the distribution of the electrons between the constituent atoms.
1923G. N. Lewis Valence xi. 132 We no longer..see any justification for the assumption that nitrogen trichloride must be either N+++Cl3-, or N---Cl3+. Such a pair of hypothetical substances have become known in the modern dualistic theory as electromers. Ibid., It is hardly to be expected that we shall be able to segregate and isolate the several species of molecules so as to obtain electromeric substances. 1941Nature 28 June 813/2 The effect depends on the possibility of the electromeric displacement..in the transition state. 1964N. G. Clark Mod. Org. Chem. xxv. 529 This temporary electronic displacement is known as the electromeric effect, and it operates in the same sense as the mesomeric effect. |
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单词 electromatic 释义 electromatic, a.|lktrmtk|[f. electro- + automatic a.]Of, pertaining......