thermionic emission

noun
therm·​ion·​ic emission | \ ˌthər-(ˌ)mī-ˈän-ik- How to pronounce thermionic emission (audio) \

Medical Definition of thermionic emission

: emission of particles (as electrons) from materials at high temperature due to the heat energy imparted to them

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“Thermionic emission.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thermionic%20emission. Accessed 4 Mar. 2021.

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