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Bible Encyclopedias
Ordinate

1911 Encyclopedia Britannica

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the Cartesian system of co-ordinates, the distance of a point from the horizontal 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 x used by Rene Descartes, and to be derived from lineae ordinatae, a term used by Roman surveyors for parallel lines. (See GEOMETRY: Ana- lytical.)

Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Ordinate'. 1911 Encyclopedia Britanica. https://www.studylight.org/​encyclopedias/​eng/​bri/​o/ordinate.html. 1910.
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