THERMIONIC

Pronunciation (US):

(GB):

 I. (adjective) 

Sense 1

Meaning:

Of or relating to or characteristic of thermions

Example:

thermionic cathode

Classified under:

Relational adjectives (pertainyms)

Pertainym:

thermion (an electrically charged particle (electron or ion) emitted by a substance at a high temperature)

Derivation:

thermion (an electrically charged particle (electron or ion) emitted by a substance at a high temperature)

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