radius vector (English, noun)
expansion: radius vector (plural radii vectores or radius vectors)
Senses:
topics: geometry
mathematics
sciences
glosses: Of a point, a vector going from the origin to that point; equivalently, the transpose of the point.
topics: astronomy
natural-sciences
glosses: An ideal straight line joining the center of an attracting body with that of a body describing an orbit around it, as a line joining the sun and a planet or comet, or a planet and its satellite.
Forms:
form: radii vectores
tags: plural
form: radius vectors
tags: plural