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.

light pollution

noun

1. the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars

Word History and Origins

Origin of light pollution¹

First recorded in 1970–75

Example Sentences

Then there was the light pollution, worsening crime, and, strange to say, a lot of black bears roaming the city streets.

Read more on The Wall Street Journal

This is thanks to the new moon, which cuts down on natural light — though unfortunately not L.A.’s widespread light pollution.

Read more on Los Angeles Times

The flaming pieces of astral debris will be most visible away from light pollution, which affects much of Los Angeles.

Read more on Los Angeles Times

He worried that a data center would destroy his peace and quiet, bringing noise and light pollution and hogging the area’s water and electricity.

Read more on Barron's

He worried that a data center would destroy his peace and quiet, bringing noise and light pollution and hogging the area’s water and electricity.

Read more on Barron's