Definition that contains fractal
- fractal geometry (mathematics) the geometry of fractals
- mandelbrot French mathematician (born in Poland) noted for inventing fractals (born in 1924)
- mandelbrot set a set of complex numbers that has a highly convoluted fractal boundary when plotted; the set of all points in the complex plane that are bounded under a certain mathematical iteration
- benoit mandelbrot French mathematician (born in Poland) noted for inventing fractals (born in 1924)