The migration of ions in a solvent through the capillaries of a membrane under the influence of an applied electric field(noun)
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Use "electroosmosis" in a sentence
"The model Mitra and Waghmare have developed takes both capillary action and electroosmosis into account and represents a radical shift in microfluidic chip design."
"Until now it has been an either-or situation, with chips being designed using capillary action or electroosmosis."