U′ni‐po″lar (?), a. [Uni- + polar.] 1. (Physics) Having, or acting by means of, one pole only.
2. (Anat.) Having but one pole or process; — applied to those ganglionic nerve cells which have but one radiating process; — opposed to multipolar.
Unipolar induction(Elec.), induction, as in a conducting circuit, by only one pole of a magnet. — Unipolar stimulation(Physiol.), the simulation sometimes produced when one electrode of an induction apparatus is applied to a nerve; — called also unipolar induction action. Du Bois-Reymond.