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ultraviolet: Meaning and Definition of

ul•tra•vi•o•let

Pronunciation: (ul"tru-vī'u-lit), [key]
— adj.
  1. beyond the violet in the spectrum, corresponding to light having wavelengths shorter than 4000 angstrom units.
  2. pertaining to, producing, or utilizing light having such wavelengths:Cf. an ultraviolet lamp.
—n.
  1. ultraviolet radiation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
ultratropical ultraviolet filter
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