Folium of Descartes Small 320×193 Medium 640×385 Large 1024×617 Download Tiff Original 2400×1445 | (137.3 KB) Description "Folium of Descartes, with its asymptote. The equation is (4-y)(y-1)2 = 3x2y ... In geometry, a plane cubic curve having a crunode, and one real inflexion, which lies at infinity. Keywords algebraic curve, analytic, analytical geometry, asymptote, crunode, cubic curve, equation, folium of Descartes, graph, infinity, inflexion Galleries Analytical Geometry Source: William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)