Fibonacci spiral

plural Fibonacci spirals · alternative Fibonacci's spiral

1. geometryAn approximation of the golden spiral created by drawing circular arcs connecting the opposite corners of squares in a Fibonacci tiling; a spiral formed by connecting quarter-circles whose radii are Fibonacci number multiples of the initial radius.

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   "Oh that. That's a Fibonacci spiral." "A "what"?" "Fibonacci was the most famous mathematician of his time," Noah explained. "He created the Fibonacci Sequence, where every number is the sum of the two numbers before it—one, two, three, five, eight, and so on. Graphing the sequence creates the Fibonacci spiral, an image renowned in the fields of science and mathematics . . ."

   2026, Gordon Korman, Hypergifted, page 139