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# witch of Agnesi

[ah-nyey-zee]
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noun Geometry.
1. a plane curve symmetrical about the y-axis and asymptotic to the x-axis, given by the equation x2y=4a2(2ay).

## Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}witch of Agnesi

1870–75; named after Maria Gaetana Agnesi (1718–99), Italian mathematician and philosopher
Also called versiera.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for witch of agnesi

# witch of Agnesi

noun
1. maths a plane curve, symmetrical about the y- axis, having the equation x ² y = 4 a ²(2 ay)Sometimes shortened to: witch

## Word Origin

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

witch of agnesi in Science

# witch of Agnesi

[wĭch əv än-yāzē]
1. 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.