| / English Dictionary |
THERMION
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An electrically charged particle (electron or ion) emitted by a substance at a high temperature
Classified under:
Nouns denoting natural objects (not man-made)
Hypernyms ("thermion" is a kind of...):
particle; subatomic particle (a body having finite mass and internal structure but negligible dimensions)
Derivation:
thermionic (of or relating to or characteristic of thermions)
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