Home › Words › T › thermionicsthermionicsthermionics means the science dealing with thermionic emission.Among words judged in Lexicurio's Arena, thermionics ranks #16,730 of 42,747 for Qualifying.EtymologyFrom thermion + -ics.nounThe science dealing with thermionic emission.e.g.“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:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.thermionically 78% match — In a thermionic manner. vs thermionics →thermion 74% match — An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures vs thermionics →nonthermionic 68% match — Not thermionic. vs thermionics →thermokinetics 66% match — A branch of science dealing with the kinetics of thermal decomposition. vs thermionics →thermokinematics 61% match — The scientific study of the motion of heat. vs thermionics →thermotic 61% match — Of or relating to heat; produced by heat. vs thermionics →pyronomics 60% match — The science of heat; thermodynamics. vs thermionics →thermological 60% match — Relating to thermology vs thermionics →