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ORDINATE

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Originally appearing in Volume V20, Page 189 of the 1911 Encyclopedia Britannica.
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ORDINATE , in the Cartesian See also:

system of co-ordinates, the distance of a point from the See also:horizontal See also:axis (axis of x) measured parallel to the axis of y. Thus PR is the ordinate of P. The word appears to have been first used by Rene See also:Descartes, and to be derived from lineae ordinatae, a See also:term used by See also:Roman surveyors for parallel lines.

End of Article: ORDINATE

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