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artificial light

American  
[ahr-tuh-fish-uhl lahyt] / ˌɑr təˈfɪʃ əl ˈlaɪt /

noun

  1. light from an electrical source; light from a source other than the sun, moon, stars, or flame.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Artificial light is a major consumer of electricity at night, and light pollution harms ecosystems," says Christopher Kyba.

From Science Daily • Apr. 9, 2026

Artificial light that hampers nocturnal pollinators reduces plant reproductive success and fruit production.

From Salon • Apr. 15, 2025

Artificial light from fishing or mining could also scramble that system.

From Scientific American • Oct. 1, 2022

Artificial light blocks the production of melatonin, a hormone that regulates sleep cycles, and disrupted sleep cycles have been linked to an array of health problems.

From Los Angeles Times • Sep. 20, 2022

Artificial light played its part in the recent war.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew