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heat death
noun
, Thermodynamics.
- entropy3
heat death
noun
- thermodynamics the condition of any closed system when its total entropy is a maximum and it has no available energy. If the universe is a closed system, it should eventually reach this state
heat death
- The eventual dispersion of all of the energy within a physical system to a completely uniform distribution of heat energy, that is, to maximum entropy. Heat death for all macroscopic physical systems, including the universe, is predicted by the Second Law of Thermodynamics.
- See more at entropy
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Word History and Origins
Origin of heat death1
First recorded in 1925–30
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Example Sentences
The heat death of the universe is the end state of a universe that’s ruled by accelerated expansion forever.
From Quanta Magazine
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