witch of Agnesi

/æɡˈneɪsi/

noun

A cubic plane curve defined from two diametrically opposite points of a circle.

OriginItalian versiera →
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Meanings

nounwitch of Agnesi (plural witches of Agnesi)

plural witches of Agnesi

  1. geometryA cubic plane curve defined from two diametrically opposite points of a circle.

Synonyms & antonyms

Also see
agnésienne

Origin

  1. Italianversiera
  2. Englishwitch of Agnesi

Named after Italian mathematician Maria Gaetana Agnesi, who wrote about such curves, and from a mistranslation of Italian versiera, the term she used for them which means "rope", but which is spelled the same as versiera (“witch”).

More words from Italian

Full word history & related roots →
Cite this entry
APA

witch of Agnesi. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/witch%20of%20Agnesi

MLA

“witch of Agnesi.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/witch%20of%20Agnesi. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “witch of Agnesi,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/witch%20of%20Agnesi.

Source: witch of Agnesi on Wiktionary, CC BY-SA 4.0.