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Meaning of thermion | Babel Free

Noun CEFR B2

Definitions

An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Thermionic thermionic tube thermionic valve Thermionics thermisation thermister