thermion

therm·i·on  (thûrmn)

n.

An electrically charged particle, especially an electron, emitted by a conducting material at high temperatures.

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thermi·onic (-m-nk) adj.

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thermion [ˈθɜːmɪən]

n

(Physics / General Physics) Physics an electron or ion emitted by a body at high temperature

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thermion  (thûrmn)

An electrically charged particle or ion that is emitted by a heated conducting material. The electrons emitted from the cathodes of electron tubes (such as cathode ray tubes) are thermions.

Thesaurus

Noun

1.

thermion - an electrically charged particle (electron or ion) emitted by a substance at a high temperature subatomic particle, particle - a body having finite mass and internal structure but negligible dimensions