electro-capillarity

from The Century Dictionary.

• noun Certain phenomena collectively occurring at the common surface of two liquids in contact when their difference of potential is altered. The surface-tension of the liquids is changed, and motion usually results. See electrocapillary.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Physics) The occurrence or production of certain capillary effects by the action of an electrical current or charge.