ultraviolet Hear it!

ultraviolet definition

ultra·vio·let (ul′trə vī′ə 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

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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