| Answer | Crossword Clue |
|---|---|
| DIODE | Rectifier |
| DIODE | Electrical rectifier |
| DIODE | Current rectifier |
| DIODE | Vacuum tube rectifier. |
| DIODE | Rectifier of alternate current |
| DIODE | Type of rectifier tube. |
| DIODE | Device also called a rectifier |
| IGNITRONS | Rectifier tubes used in high-energy research |
