Definition of "adiabatic" in English

adjective

1. (physics, thermodynamics, of a process) Without gain or loss of heat (and thus with no change in entropy, in the quasistatic approximation).

2. (physics, quantum mechanics, of a process) Involving the slow change of the Hamiltonian of a system from its initial value to a final value.

noun

1. An adiabatic curve or graph