Reynolds operator

noun

A mathematical operator given by averaging something over a group action, satisfying a set of properties called Reynolds rules, and having applications in fluid dynamics and invariant theory.

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Meanings

nounReynolds operator (plural Reynolds operators)

plural Reynolds operators

  1. mathematicsA mathematical operator given by averaging something over a group action, satisfying a set of properties called Reynolds rules, and having applications in fluid dynamics and invariant theory.

Origin

They were introduced into fluid dynamics by Osbourne Reynolds (1895) and named by J. Kampé de Fériet (1934, 1935, 1949).

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Cite this entry
APA

Reynolds operator. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Reynolds%20operator

MLA

“Reynolds operator.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Reynolds%20operator. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Reynolds operator,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Reynolds%20operator.

Source: Reynolds operator on Wiktionary, CC BY-SA 4.0.