lemniscate

noun

lem·​nis·​cate lem-ˈni-skət How to pronounce lemniscate (audio)
: a figure-eight shaped curve whose equation in polar coordinates is ρ2=a2 cos 2θ or ρ2=a2 sin 2θ

Examples of lemniscate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Her nerves and inner paths twist into a lemniscate; her heart, gills, kidneys, osphradium, digestive organs rotate within her body from the left to the right side of her all-important foot. Literary Hub, 23 Feb. 2026 Above her head is a lemniscate, depicting the infinite fortitude within. Lisa Stardust, Peoplemag, 25 May 2024

Word History

Etymology

New Latin lemniscata, from feminine of Latin lemniscatus with hanging ribbons, from lemniscus

First Known Use

circa 1781, in the meaning defined above

Time Traveler
The first known use of lemniscate was circa 1781

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Cite this Entry

“Lemniscate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lemniscate. Accessed 8 Mar. 2026.

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