Clue: Electron tube heater

Answer: ABATTERY

Length: 8

---

Similar Clues:

• Electron tube with two elements (DIODE with 5 letters)
• Certain electron tubes (TRIODES with 7 letters)
• Positive terminal of an electron tube (ANODE with 5 letters)
• Some electron tubes (DIODES with 6 letters)
• Tubeless and with no moving parts, electronically (SOLIDSTATE with 10 letters)
• Electron tubes (e.g. DIODES with 6 letters)
• Type of semiconductor or electron tube (DIODE with 5 letters)
• Electron-tube element (ANODE with 5 letters)
• Electron source in a picture tube (CATHODE with 7 letters)
• Flashing electronic tube (STROBE with 6 letters)