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mesomerism definition

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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.


See also:

material on the surface definition
mesoionic compounds definition
mass-law effect definition
menu-driven definition
Mercury Arc definition