{ I′so‐cli″nal (?), I′so‐clin″ic (?), } a. [Iso- + Gr. � to incline.] Of or pertaining to, or indicating, equality of inclination or dip; having equal inclination or dip.
Isoclinal lines(Magnetism), lines on the earth's surface connecting places at which a dipping needle indicates the same inclination or dip.