Having equal electric potential, or the same number of positive and negative charges.

At equal electric potential

Alternative form of isoelectric

Synonym of isoelectric focusing

(physics, chemistry) the pH of a colloidal suspension or of an ampholyte at which the solute does not move in an electrophoretic field; symbol pI

(biochemistry) The electrophoresis of proteins through a pH gradient to locations corresponding to their isoelectric points

plural of isoelectric point