Radius vector

Webster's Dictionary of the English Language

·noun 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.

II. Radius vector ·- A straight line (or the length of such line) connecting any point, as of a curve, with a fixed point, or pole, round which the straight line turns, and to which it serves to refer the successive points of a curve, in a system of polar coordinates. ·see Coordinate, ·noun.

Related Words

radius-vector
An imaginary line joining the centres of the sun and a planet or comet in any point of its orbit. ...

The Sailor's Word-Book
vector
vector, ōris, m. [veho]. I Act. , one that bears , carries , or conveys any thing; a bearer , ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
vector
vector ōris, m VAG-, one who bears, a bearer, carrier : Sileni (asellus), O.— One who rides, a rid...

An Elementary Latin Dictionary
Vector
·noun ·same·as Radius vector. II. Vector ·noun A directed quantity, as a straight line, a force, or...

Webster's Dictionary of the English Language
radius
rădĭus, ii, m. [cf.: radix, ramus], a staff, rod. I In gen.: acuti radii immissi, stakes , Liv. 3...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
radius
radius ī, m 2 RAD-, a staff, rod : acuti, stakes , L.—In a wheel, a spoke : hinc radios trivere ...

An Elementary Latin Dictionary
Radius
·noun The barbs of a perfect feather. II. Radius ·noun Radiating organs, or color-markings, of the ...

Webster's Dictionary of the English Language
radius
The semi-diameter of a circle, limb of a sextant, &c. ...

The Sailor's Word-Book
radius-bar of parallel motion
An intervening lever for guiding the side-rods of a steam-engine. ...

The Sailor's Word-Book