/yooh'neuh peuh ten"sheuhl/ , adj.
1. Elect. , Electronics. having uniform electric potential throughout, as a hot cathode (unipotential cathode) indirectly heated by a separate heater circuit so that there is no lateral change of voltage across the cathode due to resistance to a heating current.
2. Biol. unipotent.
[ UNI- + POTENTIAL ]