ultraviolet Hear it!

ultraviolet Definition

ultra·vio·let (ul′trə vīə lit)

adjective

  1. pertaining to a band of electromagnetic radiation having wavelengths (from c. 5 to c. 400 nanometers) that are shorter than violet light
  2. of, pertaining to, or producing radiation of such wavelengths

noun

ultraviolet radiation

ultraviolet Synonyms

ultraviolet

modif.

beyond violet, having wavelengths of more than 4,000 angstroms, beyond or out of the range of sight; see invisible 1, violet.

ultraviolet (UV) light Telecom Definition
See UV.
ultraviolet Usage Examples

Converse of object

  • use: Final checking from the original manuscripts at DRO using ultraviolet.
  • absorb: Stratospheric ozone acts as a shield by absorbing potentially harmful ultraviolet ( UV ) radiation which would otherwise reach the earth's surface.
  • provide: In addition, the tube provides ultraviolet / blue light which is extremely beneficial to plants.

Adjective modifier

  • harmful: But the sun's harmful ultraviolet ( UV ) rays reflect off water making you burn faster.
  • extreme: SOHO allows us to view the Sun in the part of the electromagnetic spectrum known as the extreme ultraviolet.
  • high: Manufactured from heavy duty high density ultraviolet resistant plastic Features easy carry handles and antiperch domes.
  • near: However, some eighty years ago, spectroscopic observations in the visible and near ultraviolet began to show otherwise.
  • solar: Cometary Plasma ( collisionless at distance from comet ) - Outgassing neutral particles are ionized by solar ultraviolet and collisions with the solar wind.

Modifies a noun

  • radiation: The peak daily ultraviolet radiation level changes over the year.
  • ray: The sun's ultraviolet rays are still bearing down on you.
  • irradiation: Stratum corneum is also the primary defense against ultraviolet irradiation.
  • irradiance: Forster, P. M. de F. ( 1995 ) Modeling ultraviolet irradiances at the Earth's surface.
  • disinfection: Ultraviolet disinfection gives the water a final ' polish ' under high powered lamps to kill any remaining viruses.
  • wavelength: Below, you will see the spectrum of the Sun at ultraviolet wavelengths.

Modifying Another Word

  • far: Sunlight consists of electromagnetic radiation of wavelengths from 20 microns at the far infrared end to 200 nanometres at the far ultraviolet end.

Noun used with modifier

  • wavelength: Ozone is formed naturally in the upper stratosphere by short wavelength ultraviolet radiation.
  • density: Manufactured from heavy duty high density ultraviolet resistant plastic Features easy carry handles and antiperch domes.
  • wave: Short wave ultraviolet light has a photo oxidization effect that destroys chloramines & other toxic by-products of chlorine, without adding additional chemical products.
  • surface: Prolonged enhancement in surface ultraviolet radiation during the Antarctic spring of 1990.

Possessives

  • sun: But the sun's harmful ultraviolet ( UV ) rays reflect off water making you burn faster.

Browse dictionary entries near ultraviolet

  1. Ultrasuede
  2. ultrastructure
  3. ultrasound
  4. ultrasonography
  5. ultrasonics
  6. ultrasonic
  7. ultrashort
  8. ultrared
  9. ultranationalism
  10. ultramundane
  1. ultravirus
  2. ulu
  3. ululate
  4. Ulyanovsk
  5. Ulysses
  6. um
  7. UMA
  8. umbel
  9. umbellate
  10. umbelliferous