تعريف light pollution في الإنجليزية الإنجليزية القاموس.
An excess of artificial light, especially near urban areas, reducing visibility of stars, etc. in the night sky
Illumination of the night sky by electric lights, as in an urban area, that interferes with astronomical observation
{i} excessive artificial harmful lighting that men create such as city street lights or neon signs; brightening of the night sky by electric lights that obstruct observation of celestial bodies