light bulb

American  

noun

1. an electric light.

---

light bulb British  

noun

1. Sometimes shortened to: bulb.  a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it

---

Etymology

Origin of light bulb

First recorded in 1880–85

Example Sentences

"The filters would be very good insulation, and someone had a light bulb moment and probably bought this as scrap off their manager," he said.

From BBC

From that light bulb moment, Recondition, which Brown said created every piece with accessibility and style in mind, was born.

From BBC

When a light bulb blows out or pieces fall over, they hike up to do repairs.

From Literature

“It’s the one about failing ten thousand times when he tried to invent the light bulb, right? Is that how long you think it’s going to take me to pass the Lincoln assassination?”

From Literature

The boxes are for empty tortilla chip and plastic produce bags, used clothing, light bulbs and batteries.

From Los Angeles Times