Synonyms for Vacuum tube:

• n.

  •electronic device (noun)
  • vt,
  • thermionic tube.
  •electron tube (noun)
  • electron tube.
  •thermionic vacuum tube (noun)
  • thermionic vacuum tube.
  •thermionic valve (noun)
  • thermionic valve.
  •tube (noun)
  • tube.

• Other synonyms:

  •Other relevant words:
  • discharge tube,
  • valve.