functional root

noun

A function which, when applied a given number of times, equals another given function.

“x²+1 is the functional 2nd root of x⁴+2x²+2.”

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Meanings

nounfunctional root (plural functional roots)

plural functional roots

  1. mathematicsA function which, when applied a given number of times, equals another given function.

    x²+1 is the functional 2nd root of x⁴+2x²+2.

Cite this entry
APA

functional root. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/functional%20root

MLA

“functional root.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/functional%20root. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “functional root,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/functional%20root.

Source: functional root on Wiktionary, CC BY-SA 4.0.