light bulb

• Ein Gerät, das Licht erzeugt, wenn elektrischer Strom durch es fließt, meist eine Glasbirne mit Glühfaden oder LED. Wird auch metaphorisch für einen plötzlichen Moment der Inspiration oder des Verstehens verwendet.

A device that produces light when electricity passes through it, typically consisting of a glass bulb containing a filament or LED. Also used metaphorically to describe a sudden moment of inspiration or understanding.

1. Electric light sourceA1formal

   A glass bulb containing a filament or other light-emitting element that produces light when electricity passes through it.

   Glühbirne

   • I need to replace the light bulb in the kitchen.
   • The light bulb flickered before it went out.
   • She switched on the lamp and the light bulb glowed brightly.

2. Sudden ideaB1informal

   A sudden moment of inspiration or understanding, often depicted as a light bulb appearing above a character's head in cartoons.

   Plötzliche Idee

   • He had a light bulb moment and solved the puzzle.
   • A light bulb went off in her head when she saw the solution.
   • The inventor described his discovery as a light bulb idea.