noun
: the difference between the kinetic energy and the potential energy of a dynamic system expressed as a function of the position coordinates and their time derivatives — called also Lagrangian function
noun
: the difference between the kinetic energy and the potential energy of a dynamic system expressed as a function of the position coordinates and their time derivatives — called also Lagrangian function
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012