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8 Wintry Words to Defrost Your Vocabulary

light pollution

noun
1.
unwanted or harmful light, as from bright street lights or neon signs.
2.
Astronomy. artificial illumination of the sky that sets a limit on the faintness of stars that can be observed or photographed.
Origin
1970-1975
1970-75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for light-pollution

light pollution

noun
1.
the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Difficulty index for light pollution

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Word Value for light

9
10
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