Search Result for "thermionic_valve":
Wordnet 3.0

NOUN (1)

1. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope;
[syn: tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve]



WordNet (r) 3.0 (2006):

thermionic valve
    n 1: electronic device consisting of a system of electrodes
         arranged in an evacuated glass or metal envelope [syn:
         tube, vacuum tube, thermionic vacuum tube,
         thermionic tube, electron tube, thermionic valve]