magnetic inclination vs magnetic dip

magnetic inclination and magnetic dip both are nouns.

Word	Noun	Adjective	Verb	Adverb
magnetic inclination	Yes	No	No	No
magnetic dip	Yes	No	No	No

As nouns, magnetic inclination and magnetic dip are synonyms defined as:

magnetic inclination and magnetic dip: (physics) the angle that a magnetic needle makes with the plane of the horizon

Other synonyms of magnetic inclination include angle of dip, dip, inclination.

magnetic inclination (noun)	magnetic dip (noun)
(physics) the angle that a magnetic needle makes with the plane of the horizon	(physics) the angle that a magnetic needle makes with the plane of the horizon