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Definition of Lightbulb
1. Noun. Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity.
Exact synonyms: Bulb, Electric Light, Electric-light Bulb, Incandescent Lamp, Light Bulb
Generic synonyms: Electric Lamp
Terms within: Filament
Generic synonyms: Electric Lamp
Terms within: Filament
Definition of Lightbulb
1. Noun. (alternative spelling of light bulb) ¹
¹ Source: wiktionary.com
Definition of Lightbulb
1. [n -S]