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ultraviolet filter
noun
Photography.
- a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph.
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Example Sentences
The study’s lead author Imane Laraba, also a microbiologist at the Agricultural Research Service, used an ultraviolet filter to photograph F. xyrophilum pseudoflowers that Wurdack collected in 2010 and 2012.
From
The couple are awake by 6:30 a.m. to ensure that the municipal supply is running, and they use an ultraviolet filter to purify water intended for drinking or cooking because contamination is constant.
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