Definition of isoelectric
1 : having or representing zero difference of electric potential
2 : being the pH at which the electrolyte will not migrate in an electric field <the isoelectric point of a protein>
Origin of isoelectric
International Scientific Vocabulary
First Known Use: 1877
Medical Definition of isoelectric
1: relating to or being a flat line on an electroencephalogram indicating a lack of electrical brain activity : demonstrating an absence of brain waves <An isoeletric EEG may be purposely induced by the administration of a barbiturate or propofol to protect the brain during neurosurgery or to stop generalized seizures.—Emery N. Brown et al., The New England Journal of Medicine, 30 Dec. 2010>
2: relating to or being the isoelectric point of a molecule or surface <The cytokeratin polypeptides range in apparent molecular weights from 40,000 to 68,000 and isoelectric pH values from 5 to 8 …—Brian Anderton, Nature, 17-23 Mar. 1983>
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Medical Dictionary: Definition of "isoelectric"
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