gravity gradient vs gradient

gravity gradient and gradient both are nouns.

Word	Noun	Adjective	Verb	Adverb
gravity gradient	Yes	No	No	No
gradient	Yes	No	No	No

As nouns, gradient is a hypernym of gravity gradient; that is, gradient is a word with a broader meaning than gravity gradient:

gravity gradient: a gradient in the gravitational forces acting on different parts of a nonspherical object
gradient: a graded change in the magnitude of some physical quantity or dimension

gravity gradient (noun)	gradient (noun)
a gradient in the gravitational forces acting on different parts of a nonspherical object	the property possessed by a line or surface that departs from the horizontal
	a graded change in the magnitude of some physical quantity or dimension