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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.

“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

A follow-up spectrum from the W. M. Keck Observatory in Hawai'i revealed the AGN's extreme luminosity.

From Science Daily • Nov. 7, 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

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

From Salon • Feb. 14, 2025

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

From "The Night Circus" by Erin Morgenstern