thermion

[n] - an electrically charged particle (electron or ion) emitted by a substance at a high temperature
Found on http://www.webdictionary.co.uk/definition.php?query=thermion

Thermion

A thermion is an electrically charged particle emitted from a heated body.
Found on http://www.diracdelta.co.uk/science/source/t/h/thermion/source.html

thermion

noun an electrically charged particle (electron or ion) emitted by a substance at a high temperature
Found on http://wordnetweb.princeton.edu/perl/webwn?s=thermion

thermion

thermion An electron which has been emitted from a heated body; such as, the hot cathode of an electron tube.
Found on http://www.wordinfo.info/words/index/info/view_unit/4265/17

Thermion

A thermion is an electrically charged particle emitted from a heated body.
Found on http://www.probertencyclopaedia.com/browse/GT.HTM
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