adiabatic approximation

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adiabatic approximation

[¦ad·ē·ə¦bad·ik ə‚präk·sə′mā·shən]
(astrophysics)
The approximation that the pressure and density of gas in a star are related by the adiabatic law.
(physical chemistry)
References in periodicals archive ?
This not only simplified numerical calculation for integration of classical trajectory in molecular Hamiltonian but also avoided searching complicated form of kinetic operators in internal coordinates.

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