Daily Almanac for
Nov 30, 2009
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ultravi'olet fil"ter



Photog.
a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph. Also called UV filter.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

ultravioletultra vires
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