ˈlight polˌlution BrE AmE noun [uncountable]
artificial light from towns etc that makes the sky less dark at night, so that the stars cannot be seen clearly
ˈlight polˌlution BrE AmE noun [uncountable]
artificial light from towns etc that makes the sky less dark at night, so that the stars cannot be seen clearly
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012