- Elec. of or having only one magnetic or electric pole
- Zool. designating a nerve cell, as in spinal ganglia, having only one process
- Having, acting by means of, or produced by a single magnetic or electric pole.
- Biology Having a single fibrous process. Used of a neuron.
- Medicine Relating to or being a mood disorder that includes depression and not mania or hypomania.
uni- +"Ž polar.