witch of Agnesi

noun phrase
witch of Agne·si | \-än-ˈyā-zē \

Definition of witch of Agnesi 

: a plane cubic curve that is symmetric about the y-axis and approaches the x-axis as an asymptote and that has the equation x2y = 4a2(2ay)

First Known Use of witch of Agnesi

1875, in the meaning defined above

History and Etymology for witch of Agnesi

Maria Gaetana Agnesi †1799 Italian mathematician; witch, translation of Italian versiera cubic curve (influenced by Italian versiera female demon)

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The first known use of witch of Agnesi was in 1875

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