electric-light bulb
Học thuậtThân thiện
Definition
- Noun:
- An electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity: This is the standard device for producing light from electricity in homes and buildings. The glass bulb is typically pear-shaped and contains an inert gas to prevent the filament from oxidizing.
Usage Examples
- Noun:
- Thomas Edison is famously credited with the invention of the practical electric-light bulb.
- Please remember to turn off the electric-light bulb when you leave the room to save energy.
- The electric-light bulb in the hallway has burned out and needs to be replaced.
Advanced Usage
- "The light bulb moment": A common metaphorical phrase derived from the image of a light bulb turning on, representing a sudden realization or brilliant idea.
- She had a real light bulb moment while working on the problem.
Variants and Related Words
- Light bulb (n): The more common, shortened term for an electric-light bulb.
- Incandescent bulb (n): A more technical term specifying the type of bulb that produces light by heating a filament.
- Bulb (n): In context, can be used as a short form (e.g., "a 60-watt bulb").
Synonyms
- Incandescent lamp: A formal synonym emphasizing the method of light production.
- Globe: In some regional contexts, this can refer to a light bulb, especially a round one.
Related Phrases
- To screw in a light bulb: The common action for installing a bulb.
- Can you help me screw in this new light bulb?
- To change a light bulb: The common action for replacing a burnt-out bulb.
- I need to change the light bulb in the kitchen.
Related Idioms
- A dim bulb: An idiom describing someone who is not very intelligent.
- He's a nice guy, but let's be honest, he's a bit of a dim bulb.
- Bright as a (new) light bulb: An idiom describing someone who is very intelligent or has a sudden clear idea.
- After studying all night, she felt as bright as a new light bulb during the exam.
Noun
- electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity