RADIUS VECTOR
\ɹˈe͡ɪdɪəs vˈɛktə], \ɹˈeɪdɪəs vˈɛktə], \ɹ_ˈeɪ_d_ɪ__ə_s v_ˈɛ_k_t_ə]\
Definitions of RADIUS VECTOR
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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, n.
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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.
By Oddity Software
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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, n.
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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.
By Noah Webster.
