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: R R& R- R. Ra Rb Rc Re Rf Rg Rh Ri Rn Ro Rp Rt Ru Rv Rw Ry
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HYPHEN
CIDE DICTIONARY
radish plant | radium | radium therapy | radius | radius of curvature | radius vector | radix | radome | radon | radula | raduliform

radius vector

RELATED WORDS :


 : 
Noun Phrase
 : 
ra=di=us vec=tor

CIDE DICTIONARY

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 coördinates. See Coördinate, n.  [1913 Webster]
  •  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.  [1913 Webster]

For further exploring for "radius vector" in Webster Dictionary Online


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