| 单词 | light pollution |
| 释义 | light pollutionnoununwanted or harmful light, as from bright street lights or neon signs. Astronomy. artificial illumination of the sky that sets a limit on the faintness of stars that can be observed or photographed. Origin of light pollutionFirst recorded in 1970–75 Words nearby light pollutionlight opera, light out, light pen, light pipe, lightplane, light pollution, lightproof, light quantum, light-rail, light reaction, light reflex Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for light pollutionlight pollution nounthe 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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