lemniscate

noun
lem·​nis·​cate | \ lem-ˈni-skət How to pronounce lemniscate (audio) \

Definition of lemniscate

: a figure-eight shaped curve whose equation in polar coordinates is ρ2=a2 cos 2θ or ρ2=a2 sin 2θ

First Known Use of lemniscate

circa 1781, in the meaning defined above

History and Etymology for lemniscate

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

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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 20 Jun. 2021.

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