noun
heat death of the universe
Technical term in cosmology referring to the hypothetical final state of the universe when it reaches thermodynamic equilibrium and no more work can be done.
宇宙の熱的死は、エントロピーが最大になった状態を指す。
The heat death of the universe refers to the state where entropy has reached its maximum.
Thermodynamics is the branch of physics that describes the laws governing heat death.
Compound of 熱 (heat) + 的 (adjectival suffix) + 死 (death), literally 'heat-like death' or 'thermal death'. The term is a calque from English 'heat death'.