Related to Cartesion oval: Cassini oval
|(Geom.)||a curve such that, for any point of the curve mr + m´r´ = c, where r and r´ are the distances of the point from the two foci and m, m´ and c are constant; - used by Descartes.|
See also: Cartesian
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.