lightbulb
US'laıt'bʌlb
ریشه و کاربرد
ریشه
The word 'light' comes from Middle English 'light', from Old English 'lēoht', from Proto-Germanic 'leuhtaz'. The word 'bulb' comes from Latin 'bulbus', from Greek 'bolbos'.
مثال
- Thomas Edison is credited with inventing the first practical incandescent lightbulb.
- LED lightbulbs are more energy-efficient than traditional incandescent bulbs.
- She replaced the burnt-out lightbulb in the lamp with a new one.
تعریف انگلیسی
noun
- electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity