Lightbulb example sentences

light bulb

noun

lightbulb (noun) · lightbulbs (plural noun) · light bulb (noun) · light bulbs (plural noun)

  - a device used to convert electricity into light, consisting of a source of illumination (e.g. an electric filament or one or more LEDs) enclosed within a transparent or translucent shell, typically having a rounded shape and designed to be fitted into a socket in a lamp.