unipolar

uni·po·lar

adj \ˌyü-ni-ˈpō-lər\

Definition of UNIPOLAR

1

: having but one process <a unipolar neuron>

2

: relating to or being a manic-depressive disorder in which there is a depressive phase only <unipolar depression>—compare bipolar 3

3

: involving or being electrodes or leads recording electrical potentials between the scalp and the ground or a distant bodily site