Mercury-vapor lamp meaning

A mercury-vapor lamp is a type of gas-discharge light that produces light by exciting mercury vapor.


Mercury-vapor lamp definitions

Word backwards ropav-yrucrem pmal
Part of speech Noun
Syllabic division mer-cu-ry-va-por-lamp
Plural The plural of the word mercury-vapor lamp is mercury-vapor lamps.
Total letters 16
Vogais (4) e,u,a,o
Consonants (7) m,r,c,y,v,p,l

Mercury-Vapor Lamp

Mercury-vapor lamps are a type of high-intensity discharge (HID) lamp that produces light by creating an electrical arc through vaporized mercury. These lamps are commonly used for outdoor lighting, such as in streetlights, stadiums, and parking lots.

How Does a Mercury-Vapor Lamp Work?

Mercury-vapor lamps operate by ionizing mercury vapor in a sealed glass bulb. When an electric current is passed through the lamp, it excites the mercury vapor, causing it to emit ultraviolet light. The ultraviolet light then interacts with a phosphor coating on the inside of the bulb, producing visible light.

Advantages of Mercury-Vapor Lamps

One of the main benefits of mercury-vapor lamps is their high energy efficiency, making them a cost-effective lighting solution for large outdoor spaces. They also have a long lifespan, typically lasting around 24,000 hours before needing replacement.

Disadvantages of Mercury-Vapor Lamps

Despite their energy efficiency, mercury-vapor lamps have several drawbacks. They have a slow warm-up time and may take several minutes to reach full brightness. Additionally, these lamps emit a significant amount of UV light, which can be harmful to humans and the environment.

Transition to LED Technology

Due to their disadvantages, mercury-vapor lamps are becoming less common, with many cities and municipalities opting to replace them with more energy-efficient LED technology. LED lights are more environmentally friendly, have instant brightness, and do not contain mercury, making them a safer choice for lighting applications.

In conclusion, while mercury-vapor lamps have been widely used for outdoor lighting in the past, they are gradually being replaced by more efficient and environmentally friendly alternatives like LED lights. With advancements in lighting technology, the future of outdoor lighting looks brighter and more sustainable.


Mercury-vapor lamp Examples

  1. The street was brightly lit by a mercury-vapor lamp.
  2. The greenhouse uses mercury-vapor lamps to provide artificial light to the plants.
  3. High-intensity discharge mercury-vapor lamps are commonly used in outdoor lighting.
  4. The old factory still had mercury-vapor lamps hanging from the ceiling.
  5. The city upgraded its street lighting system to include mercury-vapor lamps.
  6. The gymnasium's basketball court was well-lit with mercury-vapor lamps.
  7. The stadium was illuminated by powerful mercury-vapor lamps during the night game.
  8. Mercury-vapor lamps are known for their high energy efficiency and long lifespan.
  9. The parking lot was bright and safe thanks to the mercury-vapor lamps installed there.
  10. The museum used mercury-vapor lamps to highlight the artwork in a dramatic way.


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  • Updated 01/05/2024 - 21:35:39