[ah-nyey-zee] 
| a plane curve symmetrical about the y-axis and asymptotic to the x-axis, given by the equation x2y=4a2(2a−y). |
witch of Ag·ne·si (än-yā'zē)  (click for larger image in new window) n. 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. [witch (translation of Italian avversiera, versiera, confused with versiera, curve, turning, from New Latin versōria, from Latin versus, turned, reversed, past participle of vertere, to turn; see verse1) + Maria Gaetana Agnesi (1718-1799), Italian mathematician.] |
| witch of Agnesi (wĭch əv än-yā'zē) Pronunciation Key
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. |