| 单词 | structural formula |
| 释义 | > as lemmasstructural formula structural formula n. [compare German Strukturformel (see structure formula n. at structure n. Compounds 2)] Chemistry a formula which represents the relative arrangement of atoms in a molecule, ion, etc., and often also the position and nature of the bonds between them; contrasted with empirical formula n. (b) at empirical adj. and n. Compounds.Cf. molecular formula n. at molecular adj. Compounds, rational formula n. at rational adj. and adv. Compounds. ΘΚΠ the world > matter > chemistry > experiments > [noun] > scientific method > of representation formula1855 structural formula1868 structure formula1877 1868 J. W. Gibbs in Amer. Jrnl. Sci. 95 295 The structural formula which I have given explains the decomposition effected by Strecker very simply. 1951 I. L. Finar Org. Chem. I. i. 6 It is always desirable to show the arrangement (if known) of the atoms in the molecule, and this is done by means of structural formulæ or bond-diagrams. 2000 M. Clugston & R. Flemming Adv. Chem. xxi. 386 The shortened structural formulae of ethanol and methoxymethane are CH3CH2OH and CH3OCH3 respectively. < as lemmas |
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