spiral of Archimedes

noun phrase
spiral of Ar·​chi·​me·​des | \ -ˌär-kə-ˈmē-dēz How to pronounce spiral of Archimedes (audio) \

Definition of spiral of Archimedes

: a plane curve that is generated by a point moving away from or toward a fixed point at a constant rate while the radius vector from the fixed point rotates at a constant rate and that has the equation ρ = a θ in polar coordinates

First Known Use of spiral of Archimedes

circa 1856, in the meaning defined above

History and Etymology for spiral of Archimedes


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The first known use of spiral of Archimedes was circa 1856

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Cite this Entry

“Spiral of Archimedes.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spiral%20of%20Archimedes. Accessed 3 Dec. 2020.

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