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geometric isomer Syllabification: ge·o·met·ric i·so·mer
(also geometrical isomer)

Definition of geometric isomer in English:


Each of two or more compounds that differ from each other in the arrangement of groups with respect to a double bond, ring, or other rigid structure.
Example sentences
  • He used the theory to predict the existence of geometric isomers, two forms of a compound that differ from each other only in the position of a single atom, ion, or group of atoms.
  • CLA is a mixture of positional and geometric isomers of linoleic acid and has been reported to inhibit various chemical-induced cancers in rodent models.
  • The naming of geometrical isomers reflects the position of the atoms or groups on each of the carbon atoms in the double bond.


geometric isomerism
Example sentences
  • Due to geometrical isomerism, two forms of polyethyne are produced: cis-polyethyne and trans-polyethyne.
  • If there are two different attachments on each side of the double bond then geometrical isomerism results.
  • Most cases of geometric isomerism are a result of molecule rigidity which prevents rotation about a double bond.
Definition of geometric isomer in:
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