uv

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uv

A scientist uses a UV light to examine a mineral sample.

Definition
  1. Noun:
    • Ultraviolet radiation: "UV" is an abbreviation for "ultraviolet," referring to electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays. It is a type of energy from the sun that is invisible to the human eye.
Usage Examples
  • Noun:
    • Excessive exposure to UV can damage your skin.
    • These sunglasses offer 100% protection against harmful UV.
    • The ozone layer helps to filter out much of the sun's UV.
Advanced Usage
  • "UV index": a standard measurement of the strength of ultraviolet radiation from the sun at a particular place and time.
    • The weather forecast warned of a very high UV index today.
  • "UV light" / "UV radiation": common compound terms specifying the type of light or radiation.
    • Some minerals fluoresce under UV light.
  • "UV exposure": refers to the state of being subjected to ultraviolet radiation.
    • Minimize your UV exposure by seeking shade.
Variants and Related Words
  • Ultraviolet (adj/n): the full form of "UV," used as an adjective or noun.
    • Ultraviolet rays are part of the electromagnetic spectrum.
  • UV-A, UV-B, UV-C (n): specific bands of ultraviolet radiation.
    • UV-B rays are primarily responsible for sunburn.
Synonyms
  • Ultraviolet radiation
  • Ultraviolet light
Notes on Usage
  • "UV" is almost always used as a noun in scientific, medical, and general contexts to refer to the radiation itself. It is a non-count noun.
  • It is typically preceded by "the" or other determiners (e.g., ).
  • While "UV" is an abbreviation, it is standard to write it in capital letters without periods.
uv

A scientist uses a UV light to examine a mineral sample.

Noun
  1. radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays

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