heat death

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noun Thermodynamics.

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His boss, whom he admires, is waiting to meet with him about the big project.

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Origin of heat death

First recorded in 1925–30

Words nearby heat death

heat, heat barrier, heat capacity, heat content, heat cramp, heat death, heat devil, heat dome, heated, heat engine, heat equation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use heat death in a sentence

The heat death of the universe is the end state of a universe that’s ruled by accelerated expansion forever.
This Cosmologist Knows How It’s All Going to End|Dan Falk|June 22, 2020|Quanta Magazine

British Dictionary definitions for heat death

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for heat death

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 thermodynamics.