Lightbulb

noun

Word Frequency: 0.2

Definitions

1.nounAn evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.

2.noun(by extension) An article that resembles such a bulb and converts electricity to light by any process.

"a fluorescent light bulb"

3.nounUsed in reference to the sudden arrival of a realization, an inspiration, an idea, or the like.

"a light bulb moment"

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.