each of two or more chemical compounds having the same molecular formula but a different geometric arrangement; an unsaturated compound or ring compound in which rotation around a carbon bond is restricted, as in cis- and trans- configurations.
- geometric isomerism, noun
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Scientific definitions for 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.
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