| Noun | 1. | fractal - (mathematics) a geometric pattern that is repeated at every scale and so cannot be represented by classical geometrypattern, form, shape - a perceptual structure; "the composition presents problems for students of musical form"; "a visual pattern must include not only objects but the spaces between them" math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement | |