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kinetic theory of heat

American  

noun

Physics.

  1. a theory that the temperature of a body is determined by the average kinetic energy of its particles and that an inflow of heat increases this energy.

Etymology

Origin of kinetic theory of heat

First recorded in 1860–65

Example Sentences

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The modern kinetic theory of heat was a subsequent discovery, as elsewhere explained.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.