'thermion' definitions:
Definition of '
thermion
'
(from
WordNet
)
noun
An electrically charged particle (electron or ion) emitted by a substance at a high temperature
Words containing '
thermion
'
thermionic
,
thermionics
,
thermionic current
,
thermionic emission
,
thermionic tube
,
thermionic valve
,
thermionic vacuum tube
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