First Known Use: 1929
Dictionary
Lagrangian
noun La·grang·ian \lə-ˈgrän-jē-ən, -ˈgräⁿ-zhē-\
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
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Origin of LAGRANGIAN
Joseph-Louis Lagrange
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