What anagrams are available for nephroid?

Nephroid

The nephroid (from the Greek ὁ νεφρός ho nephros) is a plane curve whose name means 'kidney-shaped' (compare nephrology). Although the term nephroid was used to describe other curves, it was applied to the curve in this article by Proctor in 1878. A nephroid is an algebraic curve of degree 6. It can be generated by a rolling circle with radius a {\displaystyle a} on the outside of a fixed circle with radius 2 a {\displaystyle 2a} . Hence a nephroid is an epicycloid.

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