1. A thermionic tube having two electrodes; used as a rectifier
   - diode, rectifying tube

Derived forms: rectifying valves

Type of: electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube

• the absurd
• The Admirable Crichton
• the Alps
• the bends
• the boot
• the City
• the devil
• the Flood
• The Gambia
• the Great Calamity
• The Great Charter
• the Great Compromiser
• the Great Hunger
• the Great Starvation
• the great unwashed
• The Hague
• the halt
• the Hill
• The Holy See
• the hots
• the Indies
• the Irish Famine
• the least bit
• the like
• the likes of