The definition of a bulb is an underground bud of a plant, or something resembling its rounded or elongated shape.
A lamp in which the light is produced by a filament of conducting material contained in a vacuum and heated to incandescence by an electric current
Illumination produced electrically.
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
Find another word for lightbulb. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for lightbulb, like: light-bulb, bulb, incandescent-lamp, electric light, electric light bulb and light-bulbs.