magnetic dip vs angle of dip

magnetic dip and angle of dip both are nouns.

Word	Noun	Adjective	Verb	Adverb
magnetic dip	Yes	No	No	No
angle of dip	Yes	No	No	No

As nouns, magnetic dip and angle of dip are synonyms defined as:

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

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

magnetic dip (noun)	angle of 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