A male given name from the Germanic languages, today more popular in the forms Reginald and Ronald. Modern use is partly transferred from the surname. / A surname originating as a patronymic.

A surname originating as a patronymic, derived from Reynold. / A town in Taylor County, Georgia. / A village in Rock Island County and Mercer County, Illinois. / A township in Lee County, Illinois.

plural of Reynold

(physics) A dimensionless parameter that determines the behavior of viscous flow patterns. In pipe flow a value less than about 2,000 (known as the critical Reynolds number) produces laminar flow, one above about 3,000 produces turbulent flow (intermediate values produce unpredictable behavior).

plural of Reynolds number

One of 114 counties in Missouri, United States. County seat: Centerville.

plural of Reynolds operator

(mathematics) 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.

(physics) A Reynolds number at which the flow of a fluid changes from laminar to turbulent.

plural of critical Reynolds number