Meanings
nounthermionics (uncountable)
- uncountableThe science dealing with thermionic emission.
The radioactivity subgroup turned to Kleeman, Crowther, and Campbell, and Richardson's influence on the thermionics subgroup continued even after he left the Cavendish.
2013, Dong-Won Kim, Leadership and Creativity: A History of the Cavendish Laboratory
Origin
Rhymes & wordplay
Rhymes with thermionics
electronicsonyxmicroelectronicsphotonicsphonicsavionicsharmonicshydroponicssupersonicstectonicsoptoelectronicsmnemonicsultrasonicscryonicsebonicspsionicsnanoelectronicsanimatronicshistrionicsspintronicssardonyxbioelectronicsaquaponicsastrionics
All rhymes →Cite this entry
APA
thermionics. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/thermionics
MLA
“thermionics.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thermionics. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “thermionics,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/thermionics.
Source: thermionics on Wiktionary, CC BY-SA 4.0.