mesomerism

Essentially synonymous with resonance. The term is particularly associated with the picture of pi electrons as less localized in an actual molecule than in a Lewis formula. The term is intended to imply that the correct representation of a structure is intermediate between two or more Lewis formulae. See also aromatic (2), delocalization.
Found on http://www.chem.qmul.ac.uk/iupac/gtpoc/M.html

mesomerism

Displacement of electrons within a molecule in such a way as to create fractional charges on different parts of the molecule. ... (05 Mar 2000) ...
Found on http://www.mondofacto.com/facts/dictionary?mesomerism

mesomerism

(mә-somĀ“әr-iz″әm) the existence of organic chemical structures that cannot be accurately represented by a single structural formula, the actual formula lying intermediate between several possible representations that differ only in the position of electrons.
Found on http://www.encyclo.co.uk/local/21001

mesomerism

Type: Term Pronunciation: mĕ-som′er-izm Definitions: 1. Displacement or delocalization of electrons within a molecule in such a way as to create fractional charges on different parts of the molecule; resonance.
Found on http://www.medilexicon.com/medicaldictionary.php?t=54471
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