fluorescent lamp
Glowing gas tube
A fluorescent lamp is a tube-shaped light source that produces illumination by passing electricity through mercury vapor, which emits ultraviolet light that causes a phosphor coating inside the tube to glow.
More energy-efficient than incandescent bulbs but less so than LEDs, fluorescent lamps dominated office and industrial lighting for decades: The fluorescent lamps in the break room buzzed and flickered.
- tubeHollow cylindrical passage
- tube lightCylindrical electric lamp
- starterInitiator of action
- lightingArt of illuminating spaces
- drop ceilingPanels hung below rafters
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fluorescent lampincandescent bulb
Light from heated filament
incandescent lamp · tungsten bulb · Edison bulb · halogen lamp · candle
fluorescent lampsunlight
Radiance from our star
natural light · daylight · moonlight · starlight · bioluminescence
fluorescent lampincandescent bulb
Light from heated filament
candlelight · firelight · Edison bulb · tungsten light · halogen light
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