theory of exchange

Definition of theory of exchange

: a theory in physics: when thermal radiation occurs from one body to another, it also takes place in the opposite direction, and therefore the question as to whether or not the temperature of either body will change depends upon whether the body gains more energy than it loses or loses more than it gains

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Cite this Entry

“Theory of exchange.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theory%20of%20exchange. Accessed 1 Dec. 2021.

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