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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

This result suggests a relationship between X-ray luminosity and rotation velocity, and that the accretion system changed during the faint phase.

From Science Daily • Dec. 14, 2025

“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

The Guardian's three star review said his "words glitter with feeling" and added that he "singularly shines, his luminosity putting the others slightly in the shade".

From BBC • Feb. 19, 2025

The sun disappears completely beyond the horizon, and the remaining luminosity shifts from dusk to twilight.

From "The Night Circus" by Erin Morgenstern