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artificial light

American

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

noun

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.

To ensure accuracy, researchers focused only on artificial light sources.

From Science Daily • Apr. 9, 2026

However, artificial light can be classed as a statutory nuisance if it "interferes with the use or enjoyment of a home" or is likely to "injure health".

From BBC • Dec. 17, 2025

For optimal “counterillumination,” the scientists found, the artificial light has to be brighter than the background light.

From Los Angeles Times • Nov. 13, 2024

For example, artificial light at night can affect bird physiology, behavior and abundance, and the total solar eclipse gives us a new way to test how light pollution affects behavior.

From Salon • Apr. 6, 2024

A bright glow of artificial light surrounded the station and faded into the night.

From "The Wild Robot Protects" by Peter Brown

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023