Definition of "isomeric" [i•so•mer•ic]

• Being an isomer. (adjective)
• Exhibiting isomerism. (adjective)

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• "The chemist is acquainted with numerous groups of substances which we call isomeric compounds, and two substances are said to be isomeric when they not only consist of the same elements united in the same proportions, but also have the same density in the state of vapor, so that according to the molecular theory their molecules must have the same weight."
• "Technetium-99m decays by a process called "isomeric"; which emits gamma rays and low-energy electrons."
• "When we dissolved CpdA in PBS (pH = 7.6) or Tris-HCl buffer (pH = 7.6) rapid formation of two reaction intermediates occurred, which we could identify as the isomeric forms of N-methyl-2 - (4-acetoxyphenyl) - aziridine ("