Ultraviolet (UV) refers to electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, falling within the electromagnetic spectrum. UV radiation is invisible to the human eye and is primarily categorized into three bands: UVA, UVB, and UVC, each with varying effects and penetration capabilities. It originates from various sources, including the sun, artificial tanning beds, and specialized lamps, and has diverse applications in sterilization, medical treatments, and industrial processes, but also poses potential health risks, particularly in causing skin damage. The ozone layer absorbs much of the sun's harmful UV radiation before it reaches the Earth's surface.
Ultraviolet meaning with examples
- Sunbathers frequently use sunscreen to protect their skin from the damaging effects of Ultraviolet radiation. They may use lotions with a high SPF (Sun Protection Factor). Prolonged exposure without protection can lead to sunburn and an increased risk of skin cancer. Proper clothing can also offer protection.
- Hospitals and laboratories utilize Ultraviolet sterilizers to kill bacteria and viruses on equipment and surfaces. These devices emit UVC radiation, which is highly effective at destroying the DNA and RNA of microorganisms. It provides an efficient method of sanitization.
- Geologists employ Ultraviolet light to study the fluorescence of certain minerals, as minerals often exhibit distinctive colors under UV light, aiding in identification and analysis. Using the equipment provides valuable insights.
- Art conservators may examine paintings and artifacts under Ultraviolet light to reveal hidden details, alterations, or the presence of previous restoration attempts. These lights provide a non-destructive evaluation method.
- Some insects rely on Ultraviolet light to see patterns on flowers that are invisible to humans, which they use to locate sources of nectar and pollen for food. This is useful in pollination. They find their food.
Ultraviolet Synonyms
uv light uv radiation uv raysUltraviolet Antonyms
infrared radiation visible lightUltraviolet Crossword Answers
2 Letters
UV
16 Letters
ULTRAVIOLETLIGHT
20 Letters
ULTRAVIOLETRADIATION