Webster's Revised Unabridged Dictionary · 1913

Unipolar

Unipolar , adjective

[Uni- + polar.]

1.
(Physics) Having, or acting by means of, one pole only.
2.
(Anatomy) Having but one pole or process; -- applied to those ganglionic nerve cells which have but one radiating process; -- opposed to multipolar.
Collocations (2)
Unipolar induction (Electricity) , induction, as in a conducting circuit, by only one pole of a magnet.
Unipolar stimulation (Physiology) , the simulation sometimes produced when one electrode of an induction apparatus is applied to a nerve; -- called also unipolar induction action. — Du Bois-Reymond