'magnetic inclination' definitions:

Definition of 'magnetic inclination'

(from WordNet)
noun
(physics) the angle that a magnetic needle makes with the plane of the horizon [syn: dip, angle of dip, magnetic dip, magnetic inclination, inclination]

Definition of 'magnetic inclination'

From: GCIDE
  • magnetic inclination \magnetic inclination\ n. Same as magnetic dip. [WordNet 1.5]