- IPA: /ˈlaɪtˌbʌlb/
light bulb (plural light bulbs)
- An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.
- Synonyms: bulb, glow-lamp, incandescent lamp, light globe
- (by extension) An article that resembles such a bulb and converts electricity to light by any process.
- a fluorescent light bulb
- an LED light bulb
- (figuratively) Used in reference to the sudden arrival of a realization, an inspiration, an idea, or the like.
- a light bulb moment
- 1949, in Forbes (magazine), volume 64,[http://books.google.com/books?id=hUZEAAAAIAAJ ] page 18:
- Figuratively speaking, a light-bulb flashed over Galvin's head early this year, and in March–along […]
- 2010, Sandy Abrams, Your Idea, Inc., Abrams Media, ISBN 978-1-59869-909-8, page xi ↗:
- A light bulb went off in my head as I had an incredible idea for a beauty product.
- French: ampoule, lampe, ampoule électrique
- German: Glühbirne, Glühlampe
- Italian: lampadina
- Portuguese: lâmpada, foco, bulbo
- Russian: ла́мпа нака́ливания