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Definitions

luminosity

[loo-muh-nos-i-tee] / ˌlu məˈnɒs ɪ ti /
NOUN
radiance
Synonyms
Antonyms
STRONG


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.

He aptly describes the projectors’ beams of luminosity as “light sculptures.”

From Los Angeles Times • Feb. 23, 2026

“I have no medium that can give me color of such wonderful luminosity as the Autochrome plate,” wrote the photographer Edward Steichen in 1908.

From The Wall Street Journal • Nov. 21, 2025

"Their luminosity and chemical production naturally explain the nitrogen-enriched proto-galaxies that we now observe in the early universe with the JWST."

From Science Daily • Nov. 6, 2025

She found a relationship between their variation period, or pulse, and their intrinsic brightness or luminosity.

From Salon • Feb. 14, 2025

Each memory stunned her with its blinding luminosity.

From "Americanah" by Chimamanda Ngozi Adichie