ALL meanings of radius vector
ra·di·us vec·tor
R r - noun plural radius vector Mathematics. the length of the line segment joining a fixed point or origin to a given point. 1
- noun plural radius vector Astronomy. the straight line joining two bodies in relative orbital motion, as the line from the sun to a planet at any point in its orbit. the distance between two such bodies at any point in the orbit. 1
- noun radius vector a line joining a point in space to the origin of polar or spherical coordinates 0
- noun radius vector an imaginary line joining a satellite to the planet or star around which it is orbiting 0
- noun radius vector a straight line joining the origin of a vector, located at the intersection of two coordinates, to a given point lying in the same plane 0
- noun radius vector a vector whose point of origin is fixed and whose terminal point ranges over a given curve or surface, as a straight line connecting the sun with the earth at any point of the earth's orbit 0