Related Clues:

• Flow restricting device
• Two-terminal device
• Two-element electron tube
• Device with two active terminals
• Device also called a rectifier
• Electron tube type
• Electron tube with two elements
• Giving off
• It has two terminals
• Electronic device
• Digital clock's light emitter
• L.E.D. part
• Electrical component
• Cellphone component
• ''Light-emitting'' electronic device