Last Updated：2025/11/21

An excess of artificial light, especially near urban areas, reducing visibility of stars, etc. in the night sky.

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light pollution

Source Word

light pollution

Noun

uncountable

An excess of artificial light, especially near urban areas, reducing visibility of stars, etc. in the night sky.

Japanese Meaning

都市部などで発生する、過剰な人工照明によって夜空の星などが見えにくくなる現象

The light pollution from the downtown area made the Milky Way invisible to the naked eye.

市街地からの光害のせいで、肉眼では天の川が見えなくなった。

Sense（1）

An excess of artificial light, especially near urban areas, reducing visibility of stars, etc. in the night sky.