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Pronunciation varies by accent · noun
(physics) An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures.
Use thermion when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Thermion means (physics) An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use thermion where its definition matches the intended context.
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