noun
- Plural of mesomere; in chemistry, resonance structures or contributing forms of a molecule that differ only in the arrangement of electrons.
Usage: technical; chemistry
Examples
- The benzene ring is often represented by two mesomeres showing alternating double bonds.
- Chemists use mesomeres to explain the stability of aromatic compounds.
- The actual structure of the molecule is a hybrid of its mesomeres.
- Drawing mesomeres helps visualize electron delocalization in conjugated systems.