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geometric isomer

noun, Chemistry
1.
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.
Related forms
geometric isomerism, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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geometric isomerism in Medicine

geometric isomerism ge·o·met·ric isomerism (jē'ə-mět'rĭk)
n.
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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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geometric isomerism in Science
geometric isomer
  (jē'ə-mět'rĭk)   
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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