radius vector vs vector

radius vector and vector both are nouns.

Word	Noun	Adjective	Verb	Adverb
radius vector	Yes	No	No	No
vector	Yes	No	No	No

As nouns, vector is a hypernym of radius vector; that is, vector is a word with a broader meaning than radius vector:

radius vector: a line connecting a point in space to the origin of a polar coordinate system
vector: a variable quantity that can be resolved into components

As nouns, vector is a hypernym of radius vector; that is, vector is a word with a broader meaning than radius vector:

radius vector: a line connecting a satellite to the center of the body around which it is rotating
vector: a variable quantity that can be resolved into components

radius vector (noun)	vector (noun)
a line connecting a point in space to the origin of a polar coordinate system	(genetics) a virus or other agent that is used to deliver DNA to a cell
a line connecting a satellite to the center of the body around which it is rotating	a variable quantity that can be resolved into components
	any agent (person or animal or microorganism) that carries and transmits a disease
	a straight line segment whose length is magnitude and whose orientation in space is direction