thermionic

1. 1.

   of or relating to or characteristic of thermions

   “thermionic cathode”

Questions about thermionic

What does thermionic mean?

thermionic means "of or relating to or characteristic of thermions".

How many syllables are in thermionic?

thermionic has 4 syllables and divides as ther-mi-o-nic under the regular spelling rules. It is not in the CMU Pronouncing Dictionary, so that comes from how the word is written rather than from a recorded pronunciation, and no stress or phonetic transcription is claimed for it.

Is thermionic a common word?

thermionic is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.