| 释义 |
dimeric, a.|daɪˈmɛrɪk|
[f. Gr. διµερ-ής bipartite + -ic; in sense 2 formed directly on dimer.]
1. a. Zool. Bilateral; having a right and left side. b. Bot. = dimerous a. b.
1897L. H. Bailey in Ann. Rep. Smithsonian Inst. 455 A comparison of bilateral or dimeric animals with rotate or polymeric animals. 1900in B. D. Jackson Gloss. Bot. Terms 78 Dimeric, dimerous, with two members in each part or circle.
2. Chem. That is a dimer; having a molecular formula in which the numbers of atoms are twice those for some other compounds.
1929Jrnl. Amer. Chem. Soc. LI. 2553 The products of such reactions..have..been assumed to be dimeric (and cyclic) for no other reason than that they were obviously not monomeric. 1938[see dimerize v.]. 1964J. W. Linnett Electronic Struct. Molecules vii. 107 Dimerization to the tetrazane occurs..because, in the dimeric molecule, each of the nitrogen atoms has a formal charge of zero. |