poloidal

adjective3

1. •
   Between the poles of a magnet.

   • A poloidal magnetic field has closed field lines that begin and end on fictitious “poles," as in the case of a bar magnet or William Gilbert's lodestone. — 2023
2. •
   Having a direction on a torus perpendicular to a line that traces around the outside of a torus, or on a sphere perpendicular to the equator, going through both poles.
3. •
   Of, pertaining to, or shaped like a poloid.