Assertion: tube | /r/HasProperty | termed diode
Facets:
Source sentences:
text: Such a tube with only two electrodes is termed a diode, and is used for rectification.
text: The simplest vacuum tube, the diode, invented in 1904 by John Ambrose Fleming, contains only a heated electron-emitting cathode and an anode.
text: That's when a British scientist named John A. Fleming made a vacuum tube known today as a diode.