thermionic

play
adjective therm·ion·ic \ˌthər-(ˌ)mī-ˈä-nik\

Definition of thermionic

  1. :  relating to, using, or being the emission of charged particles (as electrons) by an incandescent material

Origin and Etymology of thermionic

thermion charged particle from an incandescent source, from therm- + ion


First Known Use: 1909


Seen and Heard

What made you want to look up thermionic? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to search out and expose misconduct

Get Word of the Day daily email!