Lagrangian

noun
La·​grang·​ian | \ lə-ˈgrän-jē-ən How to pronounce Lagrangian (audio) , -ˈgräⁿ-zhē- How to pronounce Lagrangian (audio) \

Definition of Lagrangian

: a function that describes the state of a dynamic system in terms of position coordinates and their time derivatives and that is equal to the difference between the potential energy and kinetic energy — compare hamiltonian

First Known Use of Lagrangian

1929, in the meaning defined above

History and Etymology for Lagrangian

Joseph-Louis Lagrange

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The first known use of Lagrangian was in 1929

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