(mathematics) Any of a family of closed curves having two lobes; they satisfy the general equation y² = α²(x⁴ - x⁶).

The difference between the number of double points on a curve and the maximum possible for a curve of that degree

A dangerous curve on a roadway, around which drivers cannot see approaching traffic.

(mathematics) Any of a family of curves, describing demographic growth, that increase exponentially at first before reaching a plateau.

(mathematics, computer graphics) A type of parametric curve defined by a set of control points, two of which are the ends of the curve, while the others determine its shape.

(geometry) A catenary-generated curve in the form of a cross-section of a sail filled by wind.

(finance) The relation between the interest rate (or cost of borrowing) and the time to maturity of the debt for a given borrower in a given currency.

A drafting template having edges of various curvatures, used for drawing smoothly-curved lines.

(mathematics) Any of a family of curves that are the loci of points that have a defined relationship between a fixed point and the centre of curvature at each point on another curve

(mathematics) A curve with formula x⁴+x²ʸ²+y⁴=x(x²+y²),.