thermal transpiration

noun

variants or thermal effusion
: transpiration of gas through a capillary tube between enclosures originally at the same pressure but at different temperatures wherein the movement is from the cooler to the warmer chamber

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“Thermal transpiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermal%20transpiration. Accessed 10 Dec. 2024.

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