Definition:Nephroid/Linguistic Note

Linguistic Note on Nephroid

The term nephroid derives from a word meaning kidney-shaped.

The term had been used for various other curves until Richard Anthony Proctor applied it to this specific curve in $1878$.

Sources

• 1992: George F. Simmons: Calculus Gems ... (previous) ... (next): Chapter $\text {B}.21$: The Cycloid: Problem $14$