thermionics

play
noun, plural in form but singular in construction therm·ion·ics \ˌthər-(ˌ)mī-ˈä-niks\

Definition of thermionics

  1. :  physics dealing with thermionic phenomena

1909

First Known Use of thermionics

1909

Learn More about thermionics


Seen and Heard

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

WORD OF THE DAY

to cast off or become cast off

Get Word of the Day daily email!