Wiktionary
thermodynamically
adv. With regard to thermodynamics
WordNet
thermodynamically
adv. with respect to thermodynamics; "this phenomenon is thermodynamically impossible"
Usage examples of "thermodynamically".
They regard a certain amount of crime as thermodynamically inevitable.
The low-grade waste heat of their thermodynamically intense lifestyle will turn the crystalline icescape pliable and treacherous.
Other atmospheres were thermodynamically possible, but extremely unlikely, so they weren't found in actual practice.