plural of Carlylism

An English and Scottish habitational surname, a variant of Carlisle. / A male given name transferred from the surname.

Writing or opinions characteristic of Thomas Carlyle (1795-1881), Scottish essayist and historian.

plural of Carlyle circle

(mathematics) A certain circle in a coordinate plane associated with a quadratic equation, having the property that the solutions of the equation are the horizontal coordinates of the intersections of the circle with the horizontal axis.