pertaining to the works or ideas of French philosopher and mathematician René Descartes (1596-1650), 1650s, from Cartesius, the Latinized form of his surname (regarded as Des Cartes) + -ian. In addition to his philosophy (based on the fundamental principle cogito, ergo sum), he developed a system of coordinates for determining the positions of points on a plane.
updated on October 10, 2017
Dictionary entries near Cartesian
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