(mathematics, biology) An S-shaped curve that models the growth of many ecosystems.

(astronomy) a graph of the intensity of radiation from an astronomical object as it changes with time

(mathematics) Synonym of Lissajous figure

(mathematics) the locus of points in the Euclidean plane that satisfies some geometric or algebraic definition; a curve in a plane (as opposed to higher-dimensional space)

(mathematics) Any plane curve that consists of loops (petals) emanating from a central point.

(mathematics) any curve in three-dimensional space; includes any plane curve as a subset

(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.