British Dictionary definitions for witch of agnesi

witch of Agnesi

/ (ɑːnˈjeɪzɪ) /

noun

mathsa plane curve, symmetrical about the y- axis, having the equation x ² y = 4 a ²(2 a – y)Sometimes shortened to: witch

Word Origin for witch of Agnesi

C19: named after Maria Gaetana Agnesi (1718–99), Italian mathematician and philosopher; probably so called from the resemblance of the curve to the outline of a witch's hat

A planar cubic curve that is symmetric about the y-axis and that approaches the x-axis as an asymptote. Its equation is x2y = 4a2(2a - y), where a is a constant.