Associations to the word «Thermionic»

Wiktionary

THERMIONIC, adjective. Concerning the emission of electrons from a heated electrode
THERMIONIC VALVE, noun. (now chiefly historical) An early electronic device incorporating electrons from a glowing cathode inside an evacuated glass tube, functioning as a switch, amplifier etc.
THERMIONIC VALVES, noun. Plural of thermionic valve

Dictionary definition

THERMIONIC, adjective. Of or relating to or characteristic of thermions; "thermionic cathode".

Wise words

A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.
Antoine de Saint-Exupery