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geometric isomerism ge·o·met·ric isomerism (jē'ə-mět'rĭk)
A form of isomerism displayed by unsaturated compounds or by ring compounds, where rotation about a carbon bond is restricted, as in cis and trans configurations.
|geometric isomer |
Any of two or more stereoisomers that differ in the arrangement of atoms or groups of atoms around a structurally rigid bond, such as a double bond or a ring. Geometric isomers differ from one another in physical properties like melting and boiling points. Compare enantiomer.