资料来源 : pyDict

割圆曲线

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Quadratrix \Quad*ra"trix\, n.; pl. {-trixes}, or {-trices}.
   [NL.] (Geom.)
   A curve made use of in the quadrature of other curves; as the
   quadratrix, of Dinostratus, or of Tschirnhausen.