Definition of Hamiltonian
: a function that is used to describe a dynamic system (as the motion of a particle) in terms of components of momentum and coordinates of space and time and that is equal to the total energy of the system when time is not explicitly part of the function — compare lagrangian
Origin and Etymology of hamiltonian
Sir William Hamilton †1865 Irish mathematician
First Known Use: 1926
Seen and Heard
What made you want to look up Hamiltonian? Please tell us where you read or heard it (including the quote, if possible).